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The best selling countertop water filter picks sell because they are easy to start using and come from brands people already know.
We looked at 6 top sellers and explain what makes each popular and who should skip it.

Quick Answer: The Best Selling Countertop Water Filter
- Top-Selling Faucet Filter: PUR Plus Faucet-Mount Water Filtration System, Lead-Reducing Filter
- Popular TDS Dispenser: ZeroWater 22-Cup Water Filter Dispenser
- Long-Time Gravity Favorite: Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters
- Popular Big Dispenser: Brita XL 27 Cup Water Pitcher Dispenser with Elite Filter
- Popular Countertop RO: Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
- Popular Certified RO: AquaTru Countertop Water Purification Unit, Certified NSF/ANSI Standards
The PUR Plus Faucet-Mount Filter ranks among the best selling countertop water filter picks on Amazon. The ZeroWater 22-Cup Dispenser is a popular TDS pick, and the Big Berkey Gravity Water Filter is a long-time gravity favorite.
Best Selling Countertop Water Filter Comparison Table
| Product | Best For | Type | Key Feature | Buy |
|---|---|---|---|---|
| PUR Plus Faucet-Mount Water Filtration System, Lead-Reducing Filter | Top-Selling Faucet Filter | Faucet-mount filter | WQA certified for lead, 100 gal per filter | Check Price |
| ZeroWater 22-Cup Water Filter Dispenser | Popular TDS Dispenser | Countertop dispenser | 5-stage ion exchange, TDS meter | Check Price |
| Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters | Long-Time Gravity Favorite | Gravity countertop filter | 2.25 gal, stainless, 2 Black Berkey elements | Check Price |
| Brita XL 27 Cup Water Pitcher Dispenser with Elite Filter | Popular Big Dispenser | Countertop dispenser | 27 cups, Elite filter 120 gal | Check Price |
| Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System | Popular Countertop RO | Countertop reverse osmosis | 5 stages incl. remineralization | Check Price |
| AquaTru Countertop Water Purification Unit, Certified NSF/ANSI Standards | Popular Certified RO | Countertop reverse osmosis | IAPMO-certified to NSF/ANSI 41, 53, 58, 401, P473 | Check Price |
The 6 Best Selling Countertop Water Filters
Each pick below was compared on certifications, filter type, capacity, filter life and value.
PUR Plus Faucet-Mount Water Filtration System, Lead-Reducing Filter
1PUR Plus is a faucet-mount filter that PUR says is WQA certified to reduce lead and NSF certified for microplastics and chlorine.
👍 Pros & Cons
Pros
- WQA certified to reduce lead (maker claim)
- Change light
- Tool-free install
Cons
- Not for pull-out faucets
📄 Detailed Review
- Type: Faucet-mount filter
- Includes: System
- Key feature: WQA certified for lead, 100 gal per filter
Each filter lasts up to 100 gallons or about 3 months, with a change light.
It is our faucet-mount pick.
ZeroWater 22-Cup Water Filter Dispenser
2ZeroWater’s 22-cup dispenser uses a 5-stage ion exchange filter and includes a TDS meter.
👍 Pros & Cons
Pros
- Removes virtually all TDS (maker claim)
- IAPMO certified for lead and PFOA/PFOS
- TDS meter included
Cons
- Filters can wear out fast in high-TDS water
📄 Detailed Review
- Type: Countertop dispenser
- Includes: Dispenser + filter
- Key feature: 5-stage ion exchange, TDS meter
ZeroWater says the filter is IAPMO certified to reduce PFOA/PFOS, lead, chromium and mercury.
It is our dispenser pick.
Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters
3The Big Berkey is a 2.25-gallon stainless steel gravity system with two Black Berkey elements.
👍 Pros & Cons
Pros
- No electricity or plumbing
- 2.25-gallon capacity
- Stainless steel
Cons
- Elements must be primed
📄 Detailed Review
- Type: Gravity countertop filter
- Includes: System
- Key feature: 2.25 gal, stainless, 2 Black Berkey elements
It needs no electricity or plumbing; you prime the elements, fill the top and gravity does the rest.
It is our gravity pick.
Brita XL 27 Cup Water Pitcher Dispenser with Elite Filter
4Brita’s UltraMax dispenser holds 27 cups and includes an Elite filter.
👍 Pros & Cons
Pros
- Big 27-cup tank
- Elite filter lasts about 6 months
- Spigot dispensing
Cons
- Slow refills
📄 Detailed Review
- Type: Countertop dispenser
- Includes: Dispenser + filter
- Key feature: 27 cups, Elite filter 120 gal
Brita rates the Elite filter for 120 gallons or about 6 months.
It is our big-family dispenser pick.
Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
5Bluevua’s RO100ROPOT is a plug-in countertop reverse osmosis system with five stages, including remineralization.
👍 Pros & Cons
Pros
- No plumbing
- Five stages
- Filter life monitor
Cons
- Needs power
📄 Detailed Review
- Type: Countertop reverse osmosis
- Includes: System + carafe
- Key feature: 5 stages incl. remineralization
Bluevua says its filters last 12 to 24 months and a display shows filter life.
It is our countertop RO pick.
AquaTru Countertop Water Purification Unit, Certified NSF/ANSI Standards
6AquaTru says its countertop RO unit is certified by IAPMO to NSF/ANSI standards 41, 53, 58, 401 and P473.
👍 Pros & Cons
Pros
- Certified to NSF/ANSI 58 and more (maker claim)
- No plumbing
- Filters last 600–1,200 gal
Cons
- Higher price class
📄 Detailed Review
- Type: Countertop reverse osmosis
- Includes: System
- Key feature: IAPMO-certified to NSF/ANSI 41, 53, 58, 401, P473
It needs no plumbing, and AquaTru rates its filters for 600 to 1,200 gallons.
It is our certified RO pick.
How We Chose the Best Selling Countertop Water Filter
To choose the best selling countertop water filter, we compared popular gravity, countertop reverse osmosis, faucet-mount, dispenser and pitcher filters on Amazon by certifications, stages, capacity and owner feedback.
CDC says to test your water, check NSF certifications and change filters as the maker recommends; see the CDC guide to choosing home water filters.
Product details in this guide are based on manufacturer specifications and verified owner feedback. Read more on our How We Test page.
Buying Guide: Why They Sell
Keep these points in mind before you buy.
What makes them popular
Top sellers install in minutes, use widely available filters and come from well-known brands.
Gravity, RO, faucet or pitcher
Gravity systems need no power, countertop reverse osmosis plugs in, faucet filters work on tap, and pitchers and dispensers are the simplest.
Test before you buy
CDC says to test your water or review your utility’s annual water quality report, then choose a filter for what is actually in it.
Before Buying a Top Seller
Check four things:
- Your water test.
- Certifications.
- Filter cost per year.
- Space needed.
Quick answers about the best selling countertop water filter.
- Your water test
- Certifications
- Yearly filter cost
- Space needed
Frequently Asked Questions
What is the best selling countertop water filter?
The best selling countertop water filter picks include PUR Plus, the ZeroWater 22-cup dispenser and the Big Berkey.
Why is PUR popular?
Tool-free install and certified lead reduction claims.
Is ZeroWater popular?
Yes, for TDS removal.
Is the top seller right for me?
Only if it targets what is in your water.
Are prices stable?
Prices change often; check before buying.
Final Verdict
Our final pick for the best selling countertop water filter is the PUR Plus Faucet-Mount Filter. Choose the ZeroWater 22-Cup Dispenser if you want a popular TDS pick, or the Big Berkey Gravity Water Filter as a long-time gravity favorite.
Related Guides
More water filter guides:
- Best Countertop Water Filter
- Best Quality Countertop Water Filter
- Best Rated Countertop Water Filter
- Best Camping Water Filter
- Best Vacuum Food Containers
Product details are based on manufacturer specifications at the time of writing. Prices and availability change often, so check Amazon for the latest price.






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