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The best countertop water filter brands include reverse osmosis makers like AquaTru and Bluevua, gravity leader Berkey, and familiar names like PUR, Brita, ZeroWater and Waterdrop.
We compared 7 brands by their standout filter and what each does best.
Quick Answer: The Best Countertop Water Filter Brands
- AquaTru: Best Certified RO: AquaTru Countertop Water Purification Unit, Certified NSF/ANSI Standards
- Berkey: Best Gravity: Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters
- Bluevua: Best Value RO: Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
- PUR: Best Faucet: PUR Plus Faucet-Mount Water Filtration System, Lead-Reducing Filter
- Brita: Best Dispenser: Brita XL 27 Cup Water Pitcher Dispenser with Elite Filter
- ZeroWater: Best TDS: ZeroWater 22-Cup Water Filter Dispenser
- Waterdrop: Best Long-Life Faucet: Waterdrop CTF-01 Water Filter for Sink Faucet, Stainless Steel
AquaTru, with the AquaTru Countertop RO Purifier, tops our best countertop water filter brands list. Berkey makes the Big Berkey Gravity Water Filter, and PUR makes the PUR Plus Faucet-Mount Filter.
Best Countertop Water Filter Brands Comparison Table
| Product | Best For | Type | Key Feature | Buy |
|---|---|---|---|---|
| AquaTru Countertop Water Purification Unit, Certified NSF/ANSI Standards | AquaTru: Best Certified RO | Countertop reverse osmosis | IAPMO-certified to NSF/ANSI 41, 53, 58, 401, P473 | Check Price |
| Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters | Berkey: Best Gravity | Gravity countertop filter | 2.25 gal, stainless, 2 Black Berkey elements | Check Price |
| Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System | Bluevua: Best Value RO | Countertop reverse osmosis | 5 stages incl. remineralization | Check Price |
| PUR Plus Faucet-Mount Water Filtration System, Lead-Reducing Filter | PUR: Best Faucet | Faucet-mount filter | WQA certified for lead, 100 gal per filter | Check Price |
| Brita XL 27 Cup Water Pitcher Dispenser with Elite Filter | Brita: Best Dispenser | Countertop dispenser | 27 cups, Elite filter 120 gal | Check Price |
| ZeroWater 22-Cup Water Filter Dispenser | ZeroWater: Best TDS | Countertop dispenser | 5-stage ion exchange, TDS meter | Check Price |
| Waterdrop CTF-01 Water Filter for Sink Faucet, Stainless Steel | Waterdrop: Best Long-Life Faucet | Countertop faucet filter | Up to 12 months or 8,000 gal (maker claim) | Check Price |
The 7 Best Countertop Water Filter Brands
Each pick below was compared on certifications, filter type, capacity, filter life and value.
AquaTru Countertop Water Purification Unit, Certified NSF/ANSI Standards
1AquaTru 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.
Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters
2The 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.
Bluevua RO100ROPOT Countertop Reverse Osmosis Water Filter System
3Bluevua’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.
PUR Plus Faucet-Mount Water Filtration System, Lead-Reducing Filter
4PUR 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.
Brita XL 27 Cup Water Pitcher Dispenser with Elite Filter
5Brita’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.
ZeroWater 22-Cup Water Filter Dispenser
6ZeroWater’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.
Waterdrop CTF-01 Water Filter for Sink Faucet, Stainless Steel
7Waterdrop’s CTF-01 sits on the counter and connects to a standard faucet.
👍 Pros & Cons
Pros
- Stainless steel housing
- Long filter life
- Keeps minerals
Cons
- Does not reduce TDS
📄 Detailed Review
- Type: Countertop faucet filter
- Includes: System
- Key feature: Up to 12 months or 8,000 gal (maker claim)
Waterdrop rates it for up to 12 months or 8,000 gallons and notes it does not reduce TDS.
It is our long-life faucet pick.
Check Waterdrop CTF-01 Countertop Faucet Filter Price on Amazon
How We Chose the Best Countertop Water Filter Brands
To choose the best countertop water filter brands, 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: Choosing a Brand
Keep these points in mind before you buy.
What each brand is known for
AquaTru and Bluevua focus on countertop RO, Berkey on gravity systems, PUR and Brita on faucet and pitcher filters, ZeroWater on TDS removal and Waterdrop on long-life filters.
Read the NSF standards
CDC suggests looking for NSF certification on the label: Standard 42 covers taste and odor, 53 cyst reduction, 58 reverse osmosis and 62 distillation.
Capacity and filter life
Compare tank size and rated filter life, from about 100 gallons for pitchers to thousands for gravity elements.
Brand Buying Tips
Buy smart:
- Look up certifications.
- Buy genuine filters.
- Check filter costs.
- Register the warranty.
Quick answers about the best countertop water filter brands.
- Look up certifications
- Genuine filters
- Check filter costs
- Register warranty
Frequently Asked Questions
What is the best countertop water filter brands?
The best countertop water filter brands are AquaTru for certified RO, Berkey for gravity, and PUR and Brita for simple faucet and dispenser filters.
Which brand is certified for RO?
AquaTru lists NSF/ANSI 58 via IAPMO.
Are Berkey filters certified?
Check Berkey’s listing and testing claims.
Should I buy genuine filters?
PUR and Berkey warn about lookalikes.
Where can I check certifications?
CDC points to the NSF database.
Final Verdict
Our final pick for the best countertop water filter brands is the AquaTru Countertop RO Purifier. Choose the Big Berkey Gravity Water Filter if you want gravity filtering, or the Bluevua RO100ROPOT Countertop RO for on-tap water.
Related Guides
More water filter guides:
- Best Countertop Water Filter
- Best Alternative to Countertop Water Filter
- Best Budget 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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