10 Best countertop water filter systems of 2025

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1

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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
9.7

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
9.4

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
9.3

Excellent

Our Rating
4

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

19% Off
9.2

Excellent

Our Rating
5

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)

18% 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
9.1

Excellent

Our Rating

9.9
Sheerness

9.5
Easy installation

9.5
Simple to use
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6

iSpring
iSpring CKC1C Countertop Drinking Water Filtration System with Carbon Filter, 2.5" x 10", Clear

23% Off
Main highlights

Visual Inspection Feature
See-through housing allows easy monitoring of filter status.

Ideal for Small Spaces
Perfect for compact areas with easy countertop installation.

Praised Customer Support
Customers appreciate excellent support and quick resolution of issues.
9.0

Excellent

Our Rating

9.3
Simple to use

9.1
Easy installation

9.1
Sheerness
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
8.7

Very Good

Our Rating
8

Brita
Brita Hub Compact Instant Powerful Countertop Water Filter System, Reduces 70+ Contaminants, 9 Cup Water Reservoir, Includes 6 Month Carbon Block Filter, White, 87344

23% Off
Main highlights

Best Water Filtration
Reduces 70+ contaminants, including lead and microplastics, for clean water.

Perfect for Small Spaces
Compact design ideal for small apartments and work-from-home setups.

Easy to Refill and Use
Convenient push-button dispensing and easy filter changes praised by users.
Key specs
- Installation Type:No installation required
- Maintenance Frequency:Every 6 months
- Dimensions:12.7 x 4.7 x 14.3 inches
- Contaminants Removed:70+ including lead, chlorine
- Filtration Stages:N/A
8.6

Very Good

Our Rating
9

PHILIPS

Reverse Osmosis Water Filter Countertop, PHILIPS Compact 5-in-1 RO Water Filtration System Purifier Dispenser with Aquaporin Technology Tested by NASA, NSF/ANSI 372 Certified, Reduce TDS

38% Off
8.3

Good

Our Rating
10

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)

32% 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
8.2

Good

Our Rating

9.5
Easy installation

9.3
Simple to use

9.3
Water tight

10 Best countertop water filter 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

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

5

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

6

iSpring CKC1C Countertop Drinking Water Filtration System with Carbon Filter, 2.5" x 10", Clear

9.3

9.1

9.1

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

Brita Hub Compact Instant Powerful Countertop Water Filter System, Reduces 70+ Contaminants, 9 Cup Water Reservoir, Includes 6 Month Carbon Block Filter, White, 87344

9

Reverse Osmosis Water Filter Countertop, PHILIPS Compact 5-in-1 RO Water Filtration System Purifier Dispenser with Aquaporin Technology Tested by NASA, NSF/ANSI 372 Certified, Reduce TDS

10

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

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