10 Best countertop water filtration systems of 2025

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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
- 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
- Filtration Stages:4-stage filtration
9.8

Exceptional

Our Rating
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Value for Money

2

Berkey
Big Berkey Gravity-Fed Stainless Steel Countertop Water Filter System 2.25 Gallon with 2 Authentic Black Berkey Elements BB9-2 Filters
Main highlights

Transforms Tap Water
The Big Berkey System turns tap water into delicious, safe drinking water, ideal for beverages and cooking.

Ideal for Poor Water Quality
Perfect for homes with poor water quality or those using well water.

Highly Praised Filter Longevity
Customers love the long-lasting filters, which provide clean water for years with minimal maintenance.
Key specs
- Installation Type:Countertop
- Maintenance Frequency:Up to 6,000 gallons
- Dimensions:8.5L x 8.5W x 19.25H
- Contaminants Removed:Over 250+ contaminants
- Filtration Stages:N/A
9.5

Excellent

Our Rating

9.7
Giftable

8.9
Flavor

8.9
Sheerness
3

Aigerri

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

37% Off
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)

29% Off
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
- Installation Type:Countertop
- Maintenance Frequency:Quick-change cartridges
- Dimensions:18D x 8W x 17H
- Contaminants Removed:Viruses, bacteria, heavy metals
- Filtration Stages:3-Stages RO
9.3

Excellent

Our Rating

9.5
Easy installation

9.3
Simple to use

9.3
Water tight
5

PHILIPS

PHILIPS Reverse Osmosis Water Filter Countertop, Compact 5 Stage RO Water Filtration System Purifier Dispenser with Aquaporin Technology, NSF/ANSI 372 Certified, Reduce TDS

22% Off
9.2

Excellent

Our Rating
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6

Waken Electric

Waken Electric C11S Reverse Osmosis Water Filtration System Countertop 200oz Water Tank 4:1 Pure to Drain 8 Stage RO Filter No Installation for Home Apartment Condo RV

15% Off
9.1

Excellent

Our Rating
7

Bluevua
Bluevua RO100ROPOT-Lite(UV) Countertop Reverse Osmosis Water Filter System, 7-Stage Purification with UV and Remineralization, 3:1 Pure to Drain, Portable Water Purifier (Blue)
Main highlights

Premium Purification and Design
7-stage RO system with UV light and remineralization in a space-saving design.

Ideal for Small Households
Perfect for 1-2 people, requiring no installation or plumbing.

Praised for Water Quality
Consistently delivers crystal clear, refreshing water with low TDS levels.
Key specs
- Installation Type:Countertop, no plumbing
- Maintenance Frequency:Once a year
- Dimensions:9.7 x 9.5 x 14.1 inches
- Contaminants Removed:Lead-free, UV light
- Filtration Stages:7-stage RO system
8.8

Very Good

Our Rating
8

Waterdrop
Waterdrop Water Filter for Sink Faucet, NSF/ANSI 42 Certified Countertop Water Filter System, 5-Stage Stainless Steel Faucet, 8000 Gallons, Reduces Heavy Metals and 99% Chlorine, WD-CTF-01(1 Filter)

12% Off
Main highlights

Advanced Filtration Benefits
5-stage system reduces impurities, adds minerals, improves taste.

Versatile Use Scenarios
Ideal for homes, rentals, and RVs; easy installation.

Customer Praised Feature
Remarkable taste improvement and effective chlorine reduction.
Key specs
- Installation Type:Countertop, no drilling
- Maintenance Frequency:12 months or 8,000 gallons
- Dimensions:4.92L x 3.51W x 12.51H
- Contaminants Removed:Chlorine, heavy metals, fluoride
- Filtration Stages:5-stage filtration
8.7

Very Good

Our Rating

9.9
Sheerness

9.5
Easy installation

9.5
Simple to use
9

SimPure

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

20% Off
8.6

Very Good

Our Rating
10

Purewell
Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 42&372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB
Main highlights

Advanced Filtration System
Utilizes a 3-stage filtration with 0.01 micron pore size, reducing 99.99% of contaminants including chlorine and heavy metals.

Versatile Usage
Ideal for both indoor and outdoor use; no electricity needed due to gravity filtration system.

Exceptional Water Taste
Customers praise the improved taste and quality of water, free from chlorine and other impurities.
Key specs
- Installation Type:Countertop
- Maintenance Frequency:Every 6 months
- Dimensions:8.9 x 8.9 x 20 inches
- Contaminants Removed:Chlorine, rust, sediment
- Filtration Stages:3-Stage
8.5

Good

Our Rating

9.7
Simple to use

9.1
Easy to build

8.4
worth the money

10 Best countertop water filtration systems of 2025

1

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

How do we rank?

How do we rank?

Analyzing top stores

2

Big Berkey Gravity-Fed Stainless Steel Countertop Water Filter System 2.25 Gallon with 2 Authentic Black Berkey Elements BB9-2 Filters

9.7

8.9

8.9

3

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

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

PHILIPS Reverse Osmosis Water Filter Countertop, Compact 5 Stage RO Water Filtration System Purifier Dispenser with Aquaporin Technology, NSF/ANSI 372 Certified, Reduce TDS

6

Waken Electric C11S Reverse Osmosis Water Filtration System Countertop 200oz Water Tank 4:1 Pure to Drain 8 Stage RO Filter No Installation for Home Apartment Condo RV

7

Bluevua RO100ROPOT-Lite(UV) Countertop Reverse Osmosis Water Filter System, 7-Stage Purification with UV and Remineralization, 3:1 Pure to Drain, Portable Water Purifier (Blue)

8

Waterdrop Water Filter for Sink Faucet, NSF/ANSI 42 Certified Countertop Water Filter System, 5-Stage Stainless Steel Faucet, 8000 Gallons, Reduces Heavy Metals and 99% Chlorine, WD-CTF-01(1 Filter)

9.9

9.5

9.5

9

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

10

Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 42&372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB

9.7

9.1

8.4

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