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iSpring RO5004F-AK Facts: 176 Specifications & 126 Highlights

Thinking of upgrading your water filtration system? The iSpring RO5004F-AK delivers 176 specs & features worth seeing — especially standout parts like general information, dimensions, capacity & flow & filtration stages & media.

82 Points
iSpring
iSpring
iSpring RO5004F-AK Alkaline RO Water Filter with UV
iSpring RO5004F-AK

Highlights 126

No extras. Just what matters.
82 Points

Why is iSpring RO5004F-AK better than other water filtration systems ?

General Information

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Dimensions

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Capacity & Flow

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Filtration Stages & Media

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Filtration Performance

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Water Pressure & Power

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Materials & Build

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Installation & Maintenance

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Environmental & Efficiency

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Noise & User Experience

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Safety & Compliance

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the iSpring RO5004F-AK, covering its standout specification and what you can expect right out of the box.

iSpring RO5004F-AK
iSpring RO5004F-AK

iSpring RO5004F-AK is a tankless, under-sink reverse osmosis (RO) water filtration system, equipped with an alkaline remineralization (AK) stage and a UV light for enhanced water quality and safety. It provides 500 gallons of filtered water per day (GPD).

Specifications & Facts 176

Specs measured. Drama avoided.

Is the iSpring RO5004F-AK water filtration system worth it? We’ve laid out price, full specs, pros and cons, and side-by-side comparisons with competing water filtration systems. Join the vote and see reactions.

General Information 14

iSpring RO5004F-AK Model Name

What is the model name?

90 iSpring RO5004F-AK 0 Votes iSpring RO5004F-AK

58 Water Filtration Systems in this range Waterdrop X12-Basic

iSpring RO5004F-AK
iSpring RO5004F-AK

Popular 4-stage under-sink RO system with added alkaline remineralization for healthier-tasting water.

Identifies the specific model designation.

iSpring RO5004F-AK Installation Type

What is the installation type?

93 iSpring RO5004F-AK 0 Votes Under Sink

59 Water Filtration Systems in this range Under Sink

iSpring RO5004F-AK
iSpring RO5004F-AK

Fits inside standard kitchen cabinets; keeps countertop clutter-free.

Specifies how and where the unit is installed.

iSpring RO5004F-AK Brand

Who is the brand or manufacturer?

85 iSpring RO5004F-AK 0 Votes iSpring

56 Water Filtration Systems in this range Frizzlife

iSpring RO5004F-AK
iSpring RO5004F-AK

Well-known brand in residential water filtration, trusted for reliability and long-lasting filters.

Identifies the maker of the water filtration system.

iSpring RO5004F-AK Product Type

What type of water filtration system is this?

92 iSpring RO5004F-AK 0 Votes Reverse Osmosis System, Under Sink Filter

57 Water Filtration Systems in this range Under Sink Filter

iSpring RO5004F-AK
iSpring RO5004F-AK

Ideal for removing contaminants from tap water while fitting neatly under kitchen sinks.

Specifies the design and intended application of the system.

iSpring RO5004F-AK Intended Use

What is the intended use?

90 iSpring RO5004F-AK 0 Votes Kitchen, Residential, Commercial, Staff kitchen, Offices

57 Water Filtration Systems in this range Residential

Indicates environments where the system is designed to be used.

iSpring RO5004F-AK System Design

What is the system design?

85 iSpring RO5004F-AK 0 Votes Multi-Stage, Reverse Osmosis, Alkaline Mineralization

51 Water Filtration Systems in this range Multi-Stage

Describes the core design or mechanism of the system.

Dimensions 9

iSpring RO5004F-AK Width

What is the width?

16.6 inch 0Votes
iSpring RO5004F-AK
9.49 inch (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

About 42.2 cm wide, roughly the width of a standard kitchen microwave.

Overall product width measurement.

iSpring RO5004F-AK Depth

What is the depth?

6.1 inch 0Votes
iSpring RO5004F-AK
9.77 inch (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Approximately 15.5 cm deep, so it won’t take up much cabinet space front-to-back.

Overall product depth measurement.

iSpring RO5004F-AK Height

What is the height?

15.2 inch 0Votes
iSpring RO5004F-AK
15.93 inch (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

About 38.6 cm tall, similar to the height of a large coffee maker; fits most under-sink spaces.

Overall product height measurement.

iSpring RO5004F-AK Weight

What is the weight?

15 lbs 0Votes
iSpring RO5004F-AK
19.42 lbs (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Around 6.8 kg, roughly the weight of a medium-size microwave oven.

Weight of the system.

iSpring RO5004F-AK Inlet Pipe Size

What is the inlet pipe size?

0.37 inch 0Votes
iSpring RO5004F-AK
0.42 inch (Average)

Diameter of the inlet pipe connection.

iSpring RO5004F-AK Outlet Pipe Size

What is the outlet pipe size?

0.25 inch 0Votes
iSpring RO5004F-AK
0.4 inch (Average)

Diameter of the outlet pipe connection.

Capacity & Flow 9

iSpring RO5004F-AK Daily Filtration Capacity

What is the daily filtration capacity?

500 gal/day 0Votes
iSpring RO5004F-AK
634.76 gal/day (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Roughly 1,892 liters per day, enough for a household of 1–5 people.

Maximum gallons filtered per day.

iSpring RO5004F-AK Flow Rate

What is the flow rate?

0.35 gal/min 0Votes
iSpring RO5004F-AK
4.16 gal/min (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

About 1.3 liters per minute, suitable for regular kitchen usage without long waits.

Continuous flow delivery rate.

iSpring RO5004F-AK Peak Flow Rate

What is the peak flow rate?

0.35 gal/min 0Votes
iSpring RO5004F-AK
4.26 gal/min (Average)

Maximum flow rate under peak demand.

iSpring RO5004F-AK Suitable Household Size

What household size is it suitable for?

87 iSpring RO5004F-AK 0 Votes 1-5 people

62 Water Filtration Systems in this range 1-8 people

Recommended number of users supported.

iSpring RO5004F-AK Average Daily Household Water Demand Supported

What is the average daily demand supported?

500 gal/day 0Votes
iSpring RO5004F-AK
541.32 gal/day (Average)

Matches average household water needs.

iSpring RO5004F-AK System Recovery Rate

What is the system recovery rate?

89 iSpring RO5004F-AK 0 Votes 2:1

51 Water Filtration Systems in this range 2:1

Indicates the efficiency of water recovery. Higher means less water is wasted.

Filtration Stages & Media 19

iSpring RO5004F-AK Number of Stages

How many filtration stages does it have?

93 iSpring RO5004F-AK 0 Votes 4

61 Water Filtration Systems in this range 1

iSpring RO5004F-AK
iSpring RO5004F-AK

Uses a 7-stage filtration system that includes reverse osmosis, UV purification, and alkaline remineralization

Total number of filtration steps in the system.

iSpring RO5004F-AK Sediment Filter Micron Rating

What is the sediment filter micron rating?

5 micron 0Votes
iSpring RO5004F-AK
3.77 micron (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Captures fine particles like sand, silt, and rust, protecting downstream filters.

Particle size filtered by the sediment filter.

iSpring RO5004F-AK RO Membrane Rating

What is the RO membrane rating?

500 gpd 0Votes
iSpring RO5004F-AK
218.15 gpd (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Equivalent to 1,892 liters per day, meaning it can handle heavy usage in small offices or busy households.

Gallons per day filtration rating of RO membrane.

iSpring RO5004F-AK Filter Replacement Interval

What is the filter replacement interval?

12 months 0Votes
iSpring RO5004F-AK
10.49 months (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Annual replacement recommended for consistent water quality and performance.

Recommended time between filter replacements.

iSpring RO5004F-AK Filtration Technology

What filtration technologies are used?

90 iSpring RO5004F-AK 0 Votes Reverse Osmosis, UV, Carbon Block, Alkaline Mineralization, Compsite Filter

58 Water Filtration Systems in this range Carbon, Sediment, Reverse Osmosis

Types of filtration technologies included.

iSpring RO5004F-AK Filter Media Material

What filter media materials are used?

88 iSpring RO5004F-AK 0 Votes RO Membrane, UV Lamp, Carbon Block, PP Cotton, Alkaline Mineralization

56 Water Filtration Systems in this range Activated Carbon

Materials that make up the filter media.

Filtration Performance 17

iSpring RO5004F-AK Contaminant Reduction

What contaminants does it reduce?

91 iSpring RO5004F-AK 0 Votes Bad Taste, Lead, Chlorine, Fluoride, Arsenic, PFOA, PFAS, Heavy Metals, VOCs, Bacteria, Rust, Scale, Dirt

57 Water Filtration Systems in this range Chlorine

iSpring RO5004F-AK
iSpring RO5004F-AK

Removes a wide range of impurities for clean, safe, and great-tasting drinking water.

Key contaminants the system reduces.

iSpring RO5004F-AK pH Range Supported

What is the supported pH range?

89 iSpring RO5004F-AK 0 Votes 6.5–9.5

55 Water Filtration Systems in this range None

iSpring RO5004F-AK
iSpring RO5004F-AK

Provides slightly alkaline water if using the remineralization stage, which can improve taste.

The operating pH range of water is compatible with the system.

iSpring RO5004F-AK Bacteria Removal

What is the bacteria removal rate?

99 % 0Votes
iSpring RO5004F-AK
85.1 % (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Ensures microbial safety, reducing the risk of waterborne illnesses.

Percentage of bacteria eliminated.

iSpring RO5004F-AK Chlorine Reduction

What is the chlorine reduction percentage?

99 % 0Votes
iSpring RO5004F-AK
97.04 % (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Improves taste and smell while protecting RO membrane longevity.

Percent reduction of chlorine.

iSpring RO5004F-AK VOC Reduction

What is the VOC reduction rate?

99 % 0Votes
iSpring RO5004F-AK
89.24 % (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Reduces volatile organic compounds, common in tap water near industrial areas.

Percentage reduction of volatile organic compounds.

iSpring RO5004F-AK Sediment Removal

What is the sediment removal rating?

5 micron 0Votes
iSpring RO5004F-AK
5.19 micron (Average)

Minimum particle size removed.

Water Pressure & Power 22

iSpring RO5004F-AK Minimum Operating Pressure

What is the minimum operating pressure?

30 psi 0Votes
iSpring RO5004F-AK
27.5 psi (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

About 2.07 bar, ensures proper RO function even at lower water pressure.

Lowest pressure required for system to work.

iSpring RO5004F-AK Power Requirement

What is the power requirement?

120 Volt 0Votes
iSpring RO5004F-AK
116.01 Volt (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Standard US household outlet; works with typical residential wiring.

Electrical input needed for operation.

iSpring RO5004F-AK Pump Included

Is a pump included?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

iSpring RO5004F-AK
iSpring RO5004F-AK

Ensures proper pressure for maximum RO efficiency even if household pressure is low.

Whether a pump is integrated in the system.

iSpring RO5004F-AK Booster Pump Type

What booster pump type is included?

87 iSpring RO5004F-AK 0 Votes Electric

50 Water Filtration Systems in this range No

iSpring RO5004F-AK
iSpring RO5004F-AK

Increases water pressure to achieve full filtration performance.

Type of booster pump provided.

iSpring RO5004F-AK Inlet Water Temperature

What is the inlet water temperature range?

100 °F 0Votes
iSpring RO5004F-AK
80.93 °F (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

About 37.8 °C; safe for most tap water sources without damaging the system.

Acceptable inlet water temperature.

Materials & Build 18

iSpring RO5004F-AK Faucet Material

What is the faucet material?

90 iSpring RO5004F-AK 0 Votes Stainless Steel

51 Water Filtration Systems in this range None

iSpring RO5004F-AK
iSpring RO5004F-AK

Durable and corrosion-resistant, complements modern kitchen designs.

Material of included faucet (if applicable).

iSpring RO5004F-AK Check Valve Material

What is the check valve material?

88 iSpring RO5004F-AK 0 Votes Brass

51 Water Filtration Systems in this range None

iSpring RO5004F-AK
iSpring RO5004F-AK

Ensures long-lasting durability and leak-free operation under pressure.

Material of check valves ensuring one-way flow.

iSpring RO5004F-AK Tubing Material & Diameter Standard

What is the tubing material and diameter standard?

85 iSpring RO5004F-AK 0 Votes PE Tubing 1/4"

49 Water Filtration Systems in this range PE Tubing 1/4"

iSpring RO5004F-AK
iSpring RO5004F-AK

Flexible, food-grade polyethylene tubing that’s easy to install and safe for drinking water.

Material and size standard of tubing for flow and compatibility.

iSpring RO5004F-AK Housing Material

What is the housing material?

85 iSpring RO5004F-AK 0 Votes Polypropylene

52 Water Filtration Systems in this range Plastic

Primary material of the system’s housing.

iSpring RO5004F-AK Cartridge Housing Material

What is the cartridge housing material?

83 iSpring RO5004F-AK 0 Votes Plastic

51 Water Filtration Systems in this range Plastic

Material used for filter cartridge housings.

iSpring RO5004F-AK BPA Free

Is it BPA free?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Indicates if the product is free of BPA.

Installation & Maintenance 23

iSpring RO5004F-AK DIY Installation Possible

Can it be installed DIY?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

iSpring RO5004F-AK
iSpring RO5004F-AK

Comes with a full kit, allowing most users to install it in about 60 minutes.

Whether average users can install without professional help.

iSpring RO5004F-AK Maintenance Alerts

Does it provide maintenance alerts?

85 iSpring RO5004F-AK 0 Votes Digital

52 Water Filtration Systems in this range None

iSpring RO5004F-AK
iSpring RO5004F-AK

Helps users track filter life and system status for timely maintenance.

Type of alert for upcoming maintenance.

iSpring RO5004F-AK Average Cartridge Change Time

What is the average cartridge change time?

10 min 0Votes
iSpring RO5004F-AK
8.84 min (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Quick, tool-free replacement helps reduce maintenance hassle.

Average time needed to replace cartridges.

iSpring RO5004F-AK Installation Kit Included

Is an installation kit included?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

States if the unit comes with a full installation kit.

iSpring RO5004F-AK Installation Time

What is the installation time?

60 min 0Votes
iSpring RO5004F-AK
28.15 min (Average)

Estimated time required for installation.

Environmental & Efficiency 14

iSpring RO5004F-AK Water Efficiency

What is the water efficiency percentage?

75 % 0Votes
iSpring RO5004F-AK
86.69 % (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Higher than average for RO systems; less water wasted in filtration.

Percentage of water effectively used after filtration.

iSpring RO5004F-AK Operating Temperature Range

What is the operating temperature range?

87 iSpring RO5004F-AK 0 Votes 41-100°F

53 Water Filtration Systems in this range 40-100°F

Acceptable temperature range during operation.

iSpring RO5004F-AK Storage Temperature Range

What is the storage temperature range?

85 iSpring RO5004F-AK 0 Votes 41-100°F

56 Water Filtration Systems in this range 40-100°F

Safe temperature range for storage conditions.

iSpring RO5004F-AK Energy Star Certified

Is it Energy Star certified?

80 iSpring RO5004F-AK 0 Votes No

51 Water Filtration Systems in this range No

Confirms if the system meets Energy Star criteria.

iSpring RO5004F-AK Recyclable Components

Does it have recyclable components?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Indicates whether product components are recyclable.

iSpring RO5004F-AK Greywater Reuse Compatible

Is it compatible with greywater reuse?

No 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Whether system waste water can be reused.

Noise & User Experience 17

iSpring RO5004F-AK Noise Level

What is the noise level?

30 dB 0Votes
iSpring RO5004F-AK
34.91 dB (Average)

iSpring RO5004F-AK
iSpring RO5004F-AK

Very quiet, about the sound of a whisper, so it won’t disturb daily kitchen activities.

Operational noise level during use.

iSpring RO5004F-AK Touch-Free Dispensing

Does it have touch-free dispensing?

No 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Indicates if water can be dispensed hands-free.

iSpring RO5004F-AK Manual Dispensing Lever

Does it have a manual dispensing lever?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Provides a manual lever option for dispensing.

iSpring RO5004F-AK Smart App Integration

Is it integrated with a smart app?

No 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Allows monitoring and control via smartphone app.

iSpring RO5004F-AK LED Status Display

Does it have an LED status display?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

LED indicators show system status.

iSpring RO5004F-AK Child Lock Feature

Does it have a child lock feature?

No 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

Prevents accidental dispensing by children.

Safety & Compliance 14

iSpring RO5004F-AK Leak Detection System

Does it include a leak detection system?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

iSpring RO5004F-AK
iSpring RO5004F-AK

Provides safety against accidental leaks, reducing risk of water damage.

Detects and alerts if leaks are present.

iSpring RO5004F-AK Overpressure Protection

Does it include overpressure protection?

Yes 0Votes iSpring RO5004F-AK

Yes Water Filtration Systems in this range

iSpring RO5004F-AK
iSpring RO5004F-AK

Prevents damage to system components if water pressure spikes unexpectedly.

Protects the system from excessive water pressure.

iSpring RO5004F-AK Certifications

What certifications does it have?

92 iSpring RO5004F-AK 0 Votes NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 58

54 Water Filtration Systems in this range NSF/ANSI 42, NSF/ANSI 53

iSpring RO5004F-AK
iSpring RO5004F-AK

Validates contaminant reduction performance and RO system safety.

Official safety and performance certifications.

iSpring RO5004F-AK Electrical Safety Standard

What electrical safety standard does it meet?

90 iSpring RO5004F-AK 0 Votes UL

41 Water Filtration Systems in this range None

Compliance with electrical safety standards.

iSpring RO5004F-AK Labor Warranty

How many years of labor warranty are provided?

1 years 0Votes
iSpring RO5004F-AK
1.35 years (Average)

Duration of warranty coverage for labor costs after purchase.

iSpring RO5004F-AK Parts Warranty

How many years of parts warranty are provided?

1 years 0Votes
iSpring RO5004F-AK
1.38 years (Average)

Duration of warranty coverage for replacement parts.

Surveys

Because hot takes deserve votes.

iSpring RO5004F-AK Filtration Capacity

How much water can this filter process before needing replacement?

More than 1000 liters 0Votes
500 to 1000 liters 0Votes
300 to 500 liters 0Votes
100 to 300 liters 0Votes
Less than 100 liters 0Votes

iSpring RO5004F-AK Filter Lifespan

How long does this water filtration system last before replacement is needed?

More than 3 years 0Votes
Around 2 years 0Votes
About 1 year 0Votes
Around 6 months 0Votes
Less than 3 months 0Votes

iSpring RO5004F-AK Flow Speed

How fast does this water filtration system provide clean water?

Super quick, almost instant 0Votes
Fast, under 1 minute per liter 0Votes
Average, about 2 minutes per liter 0Votes
Slow, about 5 minutes per liter 0Votes
Extremely slow, more than 10 minutes per liter 0Votes

iSpring RO5004F-AK Contaminant Removal

How many types of contaminants does the system filter out?

More than 10 types 0Votes
7 to 10 types 0Votes
5 to 7 types 0Votes
3 to 5 types 0Votes
Less than 3 types 0Votes

iSpring RO5004F-AK Maintenance Frequency

How often does this system require maintenance or cleaning?

Less than once per month 0Votes
Once per month 0Votes
Once every two weeks 0Votes
Once per week 0Votes
More than once per week 0Votes

iSpring RO5004F-AK Pricing

How do you feel about the pricing of this water filtration system?

Great value for money 0Votes
Pretty good price 0Votes
Fair deal 0Votes
Kinda pricey 0Votes
Crazy expensive 0Votes

iSpring RO5004F-AK System Performance

How effective is this water filtration system at removing impurities?

Crystal clear and safe to drink 0Votes
Makes water look and taste much cleaner 0Votes
Gets rid of most common contaminants 0Votes
Removes some visible dirt 0Votes
Barely filters anything 0Votes

iSpring RO5004F-AK Ease of Installation

How easy is it to set up and install this water filtration system?

Super easy — Quick setup with clear instructions 0Votes
Pretty easy — Took a short time with minor effort 0Votes
Average — Manageable with some guidance 0Votes
A bit tricky — Needed tools or extra help 0Votes
Frustrating — Complicated and time-consuming setup 0Votes

iSpring RO5004F-AK Noise Level

How quiet or noisy is this water filtration system when in use?

Whisper quiet — Barely noticeable 0Votes
Low noise — Gentle hum only 0Votes
Moderate noise — Noticeable but tolerable 0Votes
Noisy — Can be distracting 0Votes
Very noisy — Annoyingly loud 0Votes

iSpring RO5004F-AK Water Taste

How does the filtered water taste from this system?

Exceptionally fresh — Crisp and pure taste 0Votes
Fresh — Clean with no aftertaste 0Votes
Acceptable — Slightly improved from tap 0Votes
Mildly off — Noticeable aftertaste remains 0Votes
Unpleasant — Tastes similar to unfiltered water 0Votes

Guides 1

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Files 1

iSpring RO5004F-AK - User Manual Guide

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