10 Best reverse osmosis system counters of 2025

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Waterdrop
Waterdrop G3P600 Reverse Osmosis System, 8 Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI 42 & 58 & 372 Certified, Under Sink RO System, 2:1 Pure to Drain, Smart LED Faucet
Main highlights

High Capacity Filtration
600 GPD output with 8-stage filtration for pure water.

Ideal for Home Use
Perfect for kitchens needing efficient, space-saving water purification.

Praised for Taste
Customers love the clean, bottled-water taste.
9.7

Exceptional

Our Rating

9.5
Instruction

9.5
Flavor

9.3
Easy installation
How do we rank?

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Value for Money

2

Waterdrop

Waterdrop WD-A2 Countertop Reverse Osmosis System, 𝐇𝐨𝐭 𝐚𝐧𝐝 𝐂𝐨𝐥𝐝 RO System, Portable Pure Water Tank, Bottleless Water Cooler, 6 Temperature Settings, Hot Cold Room Water, 3:1 Pure to Drain
9.6

Exceptional

Our Rating
3

Bluevua
Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier
Main highlights

Countertop Filtration with Glass Carafe
Portable RO system with high borosilicate glass carafe, reducing risk of secondary pollution.

Ideal for Small Spaces
Perfect for apartments or homes without plumbing modifications.

Efficient Filtration Praised
Customers appreciate the 4-stage filtration removing 99.9% contaminants.
Key specs
- Filtration Stages:4-stage filtration
- Installation Type:Countertop, no plumbing
- Maintenance Frequency:12-24 months
- Dimensions:14.3 x 10.9 x 15.4 inches
- Contaminants Removed:99.9% of contaminants
9.4

Excellent

Our Rating
4

SimPure
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required)
Main highlights

Purity and Safety
Removes 99.99% of contaminants, including viruses and heavy metals.

Versatile Placement
Ideal for homes, offices, RVs, and camping with no installation.

Taste and Quality
Customers love the neutral taste and high water quality.
Key specs
- Filtration Stages:3-Stages RO
- Installation Type:Countertop
- Maintenance Frequency:Quick-change cartridges
- Dimensions:18D x 8W x 17H
- Contaminants Removed:Viruses, bacteria, heavy metals
9.3

Excellent

Our Rating

9.5
Easy installation

9.3
Simple to use

9.3
Water tight
5

SimPure

SimPure Y9A Countertop Reverse Osmosis Water Filter, Alkaline Remineralization 300 GPD 6 Stage Purification, RO Water Filtration System, Super Fast Filtering Portable Water Purifier
9.2

Excellent

Our Rating
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6

Aigerri

Countertop Reverse Osmosis System Water Filter with UV, 5:1 Pure to Drain, 5 Stage RO Water Filtration, Portable No Installation Water Purifier, Countertop Filtration for Home, Off-White

25% Off
8.9

Very Good

Our Rating
7

topzee

UV Countertop Reverse Osmosis Water Filter System, 8 Stage Water Purifier, 7L Large Water Tank for Home, 4:1 Pure to Drain, Reduce TDS PFAS, BPA Free (No Installation Required), White

16% Off
8.8

Very Good

Our Rating
8

Stokk
Stokk E1 Reverse Osmosis Water Filter Countertop, 5 Stage RO Water Filter System with Remineralization Glass Pitcher, NSF/ANSI 58&372, Portable No Installation Water Purifier for Home Office

25% Off
Main highlights

Advanced Filtration and pH Boost
Five-stage filtration with RO membrane and alkaline filter for pure, healthy water.

Ideal for Versatile Use
Perfect for homes, offices, RVs, and more with no installation needed.

Ease of Use and Setup
Praised for simple setup and operation with informative digital display.
Key specs
- Filtration Stages:Activated carbon, RO membrane
- Installation Type:No installation needed
- Maintenance Frequency:10-24 months
- Dimensions:13.5 x 7.24 x 12.52 inches
- Contaminants Removed:Chlorine, fluoride, heavy metals
8.7

Very Good

Our Rating
9

VonWater
VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910
Main highlights

NSF Certified Advanced Filtration
CT910 system purifies water to 0.0001 microns, removing 99.99% contaminants.

Ideal for Renters and Seniors
No-installation design with detachable pitcher, perfect for easy use anywhere.

User-Friendly TDS Display
Real-time TDS and filter life updates praised by customers.
Key specs
- Filtration Stages:All-in-1 filter
- Installation Type:No installation required
- Maintenance Frequency:Up to 12 months
- Dimensions:8.2 x 13.4 x 15.3 inches
- Contaminants Removed:TDS, PFOA, PFOS, lead
8.5

Good

Our Rating
10

Stokk
Stokk T1 Lite UV Reverse Osmosis Water Filter Countertop, Reverse Osmosis System with Carafe Alkaline Boost, 6-Stage RO Water Filtration System, NSF/ANSI 58&372, Reduce TDS PFAS Water Purifier (Gray)

10% Off
Main highlights

Advanced Filtration and UVC Protection
6-stage RO system with UVC removes 1,000+ contaminants, ensuring pure, safe drinking water.

Perfect for Home and Office Use
Compact, plug-and-use design fits countertops, ideal for kitchens, offices, and RVs.

User-Friendly Interface Praised
One-touch control with real-time TDS display and filter life indicator is highly appreciated by users.
Key specs
- Filtration Stages:6-stage
- Installation Type:No installation
- Maintenance Frequency:Filter life indicator
- Dimensions:15.83 x 7.24 x 12.52 inches
- Contaminants Removed:1,000+ contaminants
8.4

Good

Our Rating

10 Best reverse osmosis system counters of 2025

1

Waterdrop G3P600 Reverse Osmosis System, 8 Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI 42 & 58 & 372 Certified, Under Sink RO System, 2:1 Pure to Drain, Smart LED Faucet

9.5

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Waterdrop WD-A2 Countertop Reverse Osmosis System, 𝐇𝐨𝐭 𝐚𝐧𝐝 𝐂𝐨𝐥𝐝 RO System, Portable Pure Water Tank, Bottleless Water Cooler, 6 Temperature Settings, Hot Cold Room Water, 3:1 Pure to Drain

3

Bluevua RO100ROPOT-UV Reverse Osmosis System Countertop Water Filter - 6 Stage Purification with UV and Remineralization, Counter RO Filtration, Portable Water Purifier

4

SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Purifier for Home, 4: 1 Pure to Drain, BPA Free (No Installation Required)

9.5

9.3

9.3

5

SimPure Y9A Countertop Reverse Osmosis Water Filter, Alkaline Remineralization 300 GPD 6 Stage Purification, RO Water Filtration System, Super Fast Filtering Portable Water Purifier

6

Countertop Reverse Osmosis System Water Filter with UV, 5:1 Pure to Drain, 5 Stage RO Water Filtration, Portable No Installation Water Purifier, Countertop Filtration for Home, Off-White

7

UV Countertop Reverse Osmosis Water Filter System, 8 Stage Water Purifier, 7L Large Water Tank for Home, 4:1 Pure to Drain, Reduce TDS PFAS, BPA Free (No Installation Required), White

8

Stokk E1 Reverse Osmosis Water Filter Countertop, 5 Stage RO Water Filter System with Remineralization Glass Pitcher, NSF/ANSI 58&372, Portable No Installation Water Purifier for Home Office

9

VonWater 7-Stage Countertop Reverse Osmosis Water Filter System, 528 Gallons RO Water Filtration with Portable Pitcher, NSF/ANSI 372,53, Reduce TDS PFAS, 5 Volume Settings, 3:1 Pure to Drain CT910

10

Stokk T1 Lite UV Reverse Osmosis Water Filter Countertop, Reverse Osmosis System with Carafe Alkaline Boost, 6-Stage RO Water Filtration System, NSF/ANSI 58&372, Reduce TDS PFAS Water Purifier (Gray)

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