Best Countertop Water Filter Systems
Updated July 2025
Join the millions that have trusted BuyersGuide.org to help them make smarter buying decisions. Let our independent expert reviews and data-driven shopping recommendations help you find the one that's right for you.
Best Countertop Water Filter Systems
2025 Buyer's GuideUpdated July 2025
Sort by:
1
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Pur...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 418 gallons per day
Dimensions: 10" wide x 19" deep x 19" tall
1
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Pur...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 418 gallons per day
Dimensions: 10" wide x 19" deep x 19" tall
2
2
SimPure Y10H Instant Hot Reverse Osmosis Water Filter Countertop, 6-Stage RO Water Filtration System, Heating Water Dispenser w...
Type: Countertop
Filtration Process: 6-stage with reverse osmosis
Filter Lifespan: 528 gallons
Flow Rate: Not indicated
Dimensions: 8.3" wide x 14.4" deep x 15.7" tall
3
Bluevua RO100ROPOT Reverse Osmosis System Countertop Water Filter, 4 Stage Purification, Counter RO Filtration, 2:1 Pure to Dra...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: 538 gallons, 1076 gallons (RO filter)
Flow Rate: 0.07 gallons per minute
Dimensions: 10.9" wide x 14.3" deep x 15.4" tall
3
Bluevua RO100ROPOT Reverse Osmosis System Countertop Water Filter, 4 Stage Purification, Counter RO Filtration, 2:1 Pure to Dra...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: 538 gallons, 1076 gallons (RO filter)
Flow Rate: 0.07 gallons per minute
Dimensions: 10.9" wide x 14.3" deep x 15.4" tall
4
Stokk T1 UV Countertop Reverse Osmosis Water Filter, Carafe Alkaline Boost, 6-Stage RO Filtration System, Reduce TDS PFAS, Larg...
Type: Countertop
Filtration Process: 6-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 456 gallons per day
Dimensions: 7.3" wide x 18.3" deep x 16.3" tall
4
Stokk T1 UV Countertop Reverse Osmosis Water Filter, Carafe Alkaline Boost, 6-Stage RO Filtration System, Reduce TDS PFAS, Larg...
Type: Countertop
Filtration Process: 6-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 456 gallons per day
Dimensions: 7.3" wide x 18.3" deep x 16.3" tall
5
5
SimPure Y7T-BW-A Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 100GPD 5 Stage RO Water Filtration System with...
Type: Countertop
Filtration Process: 5-stage with reverse osmosis
Filter Lifespan: 528 gallons
Flow Rate: 100 gallons per day
Dimensions: 8" wide x 18" deep x 17" tall
6
WATERDROP
Waterdrop K19-S Countertop Reverse Osmosis System, 4 Stage Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, Reduce P...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 75 gallons per day
Dimensions: 7.9" wide x 13.8" deep x 16.3" tall
6
Waterdrop K19-S Countertop Reverse Osmosis System, 4 Stage Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, Reduce P...
WATERDROP
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 75 gallons per day
Dimensions: 7.9" wide x 13.8" deep x 16.3" tall
7
7
Waterdrop 10UA Under Sink Water Filter System, Reduces PFAS, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, Under Counter Water F...
Type: Under sink
Filtration Process: Single stage
Filter Lifespan: 8,000 gallons
Flow Rate: 2.5 gallons per minute
Dimensions: 3.6" wide x 3.9" deep x 12.3" tall
8
APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter Syste...
Type: Under sink
Filtration Process: 5-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 50 gallons per day
Dimensions: 16" wide x 5.3" deep x 17.5" tall
8
APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter Syste...
Type: Under sink
Filtration Process: 5-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 50 gallons per day
Dimensions: 16" wide x 5.3" deep x 17.5" tall
9
10
iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Und...
Type: Under sink
Filtration Process: 6-stage with reverse osmosis
Filter Lifespan: 1,500 gallons
Flow Rate: 75 gallons per day
Dimensions: 15.5" wide x 5.1" deep x 19.5" tall
10
iSpring RCC7AK, NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Und...
Type: Under sink
Filtration Process: 6-stage with reverse osmosis
Filter Lifespan: 1,500 gallons
Flow Rate: 75 gallons per day
Dimensions: 15.5" wide x 5.1" deep x 19.5" tall
We also considered 8 others:
Our Top Choice
1
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Pur...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 418 gallons per day
Dimensions: 10" wide x 19" deep x 19" tall
1
SimPure Y7P-BW UV Countertop Reverse Osmosis Water Filter, NSF/ANSI 58 Certified, 5 Stage RO Water Filtration System, Water Pur...
Type: Countertop
Filtration Process: 4-stage with reverse osmosis
Filter Lifespan: Not indicated
Flow Rate: 418 gallons per day
Dimensions: 10" wide x 19" deep x 19" tall
Compare Features
Expert Analysis
Our team of experts highlights useful information so you can easily compare products to find the one that's right for you.
Award-Winning Tech
Our technology analyzes thousands of purchase trends to bring you the top product recommendations.
1,000,000+ shoppers use Buyer's Guide every week to find the best products and services online.
Learn more about our rankings.
Helping millions of users make smarter purchases online.
