Top 10 Best pro one water filter in 2026

Last Updated - 6/15/2026

🏆Best Choice

ZeroWater

ZeroWater 22-Cup Ready-Read 5-Stage Water Filter Dispenser with Instant Read Out - 0 TDS for Improved Tap Water Taste - IAPMO Certified to Reduce Lead, Chromium, and PFOA/PFOS

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Filtered Water Dispenser: The 22 Cup 5-stage Ready-Read Water Filter Dispenser has an integrated TDS Meter to instantly check the levels of dissolved solids before dispensing or pouring water - always know when it is time to change your filter! Change filter when meter reads 006.
•5-Stage Filtration: Removes virtually all total dissolved solids (TDS) for the purest tasting water; Total Dissolved Solids are organic and inorganic materials, such as metals, minerals, salts, and ions dissolved in water.
•IAPMO certified and BPA free: The filter is IAPMO certified to reduce PFOA/PFOS, lead, chromium and mercury. All material is BPA free
•Including: 22-cup Ready-Read Filter Water Dispenser, 1 ZeroWater 5-Stage Filter with Ion Exchange Technology and a Free TDS Meter.
•Eco-Friendly: Save up to 110 single-use plastic bottles per filter or up to 660 bottles a year while enjoying the purest tasting water

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$32.99

$34.99

-6%

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Filterlogic

Filterlogic NSF/ANSI 42&372 Certified Water Filter, Replacement for Berkey® BB9-2® Black Purification Elements and Berkey® Gravity Filter System, Pack of 2

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Compatible models: Filterlogic black water filter can replacement for Berkey BB9-2 water filter, Berkey Gravity Filter System including Travel, Big, Royal, Imperial, Crown Series. The precise design of washer and wing nut firmly connected to prevent leakage. Please flush filter for 1 min before use by connecting to faucet. Note: if faucet not fully compatible, splashing may occur but won't affect product.
•High efficiency filtration: The black water filter, with the same strong purification capacity as the original filter this filter, can reduce up to 99% of chlorine. It also can reduce heavy metal, sediment, chlorine, sand, rust, odor and large particles in source water, improving the taste of water.
•Certification, safe Materials: The Filterlogic water filter has passed authoritative NSF/ANSI 42&372 certification. Our filters adopt high-quality natural coconut shell activated carbon. We strictly control filtration materials and produce them with lead-free, BPA-free materials to ensure excellent filtration performance and user safety. Please note that TDS level does not fully indicate the quality of the water and our filters DOES NOT lower TDS value.
•Economical choice: We recommend you replace the black filters every 6,000 gallons per pair, which can save 45,000 water bottles. It saves your effort and money on the frequent replacement.
•Multiple application: Suitable for in-house, travel and outdoor activities, as well as water shortage emergencies, whether at home or outdoors. The filter can provide you with healthy clean quality water. Please note the water filter is not sourced by or sponsored by Berkey. Filterlogic is an independent brand.

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$36.99

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Culligan

Culligan with ZeroWater Technology 12-Cup Water Filter Pitcher – Includes 5-Stage Advanced Water Filter, IAPMO Certified to Reduce Lead, Total PFAS (Forever Chemicals), Mercury, Fluoride, and Chlorine

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•5-stage advanced water filter pitcher: Our filter’s 5-Stage Advanced Water Filtration technology removes 99.9% of dissolved solids – guaranteed.
•Certified to reduce lead and Total PFAS: This water filter pitcher is certified by IAPMO to reduce Total PFAS (also known as forever chemicals), lead, chlorine, mercury and many other harmful contaminants.
•Powerful filtration for total confidence: Each water pitcher is equipped with a powerful Culligan with ZeroWater Technology filter, certified to reduce 5x more contaminants than the leading filter.
•Includes TDS water tester: Our built-in TDS meter measures the level of dissolved solids in your water instantly and alerts you when it’s time to change your filter. When the meter reads 0, that means your filter is removing virtually all TDS from your water.
•Space-saving design: Our BPA-free pour-through filtered water pitchers and water dispensers fit easily into small refrigerators or stand elegantly on your countertop, saving you space without sacrificing style.
•Easy to use water filter pitcher: Features a drop-in water filter, easy-slide lid, and ergonomic handle for an easy and convenient pour with every use.
•Reduce plastic use: Save up to 150 single-use plastic water bottles with this water pitcher for the fridge, or anywhere you place your filtered water pitchers.
•Compatible with NEW Culligan filters: Compatible with the new Culligan with ZeroWater Technology filters. Not compatible with legacy ZeroWater filters.

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$39.98

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Waterdrop

Waterdrop NSF/ANSI 42&372 Certified Water Filter, Replacement for Berkey® BB9-2® Black Filters, ProOne® or Alexapure® Gravity Water Filter System and Waterdrop King Tank Series, (Pack of 2)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Compatible models: The filter can be replacement for Berkey BB9-2 black filters, Travel, Big, Royal, Imperial, Light, Crown Berkey Series. And it is also compatible with Waterdrop Gravity-fed Water Filter System. The water filter is not sourced by or sponsored by Berkey. Waterdrop is an independent brand. Please flush filter for 1 min before use by connecting to faucet. Note: if faucet not fully compatible, splashing may occur but won't affect product.
•Efficient filtration: Developed for families that use substandard drinking water, for travel and outdoor activities, the Black Carbon Filters uses natural coconut shell activated carbon and BPA-free housing, which effectively reduces harmful substances such as sand, rust, odor, sediment, and large particles and improves the taste of water. You can get up to 99% of chlorine reduction. (Tested by third party laboratory.) It provides you with clean, safe water.
•Excellent chioce: The Black Carbon Filters Replacement for Berkey is precisely designed without resulting in leakage. Covering a wide range of goods, Waterdrop offers products that are better than those released by the original brand. Waterdrop is your reliable choice. Quality is everything. We promise to refund your money if our filter does not fit your original brand.
•Longer service life: The Black Carbon Filters can provide 6,000 gallons of fresh water. For better performance, we recommend that you replace the filter every 6,000 gallons per pair. However, this may vary depending on your water conditions.
•Risk-free purchase: Our professional support team is available 24 hours a day. If you are having issues with the product, please contact us right away. Note: That TDS level does not fully indicate the quality of the water and our filters DOES NOT lower TDS value.

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$69.99

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ProOne

ProOne 7-Inch Gravity Water Filter Replacement G-Series 1-Pack - Universally Compatible with Gravity Water Filter Systems - NSF/ANSI Certified to Reduce Lead, Reduce Microplastics, & Total PFAS

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•REPLACEMENT WATER PURIFIER FILTER: With so many chemicals and contaminants out there, everyone needs a reliable water filtration system. With this replacement filter for the ProOne Big+ or Big II Countertop Gravity Water Filter Systems, you'll never run out of clean water.
•WATER GRAVITY FILTER: Our filters help remove contaminants from your drinking water. Beneficial minerals such as calcium are left behind for great-tasting, healthier H2O that your entire family can enjoy worry-free.NSF/ANSI-42 component certified. Independent lab tested to other NSF standards.
•PORTABLE WATER FILTRATION SYSTEM: Our filters don't require any priming. Easy to clean. This makes them perfect to use anywhere! The all-in-one filtration is ideal for use with most water sources, including lakes, rivers, streams, ponds, rain, and tap water.
•LONG-LASTING FILTERS: Each filter will last up to 6 months with regular daily use. Our filters are infused with silver to help prevent unwanted contaminant growth, leaving you with convenient, worry-free drinking water.
•SURVIVAL AND EMERGENCY WATER FILTER: This portable water filtration system functions without electricity. Even without power, you'll have access to clean water. This water filter will be there whether you're fighting through a natural disaster or going on a camping trip or just daily use.

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$78.95

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Purewell

Purewell 2.25G Gravity Water Filter System with Water Level Window, 3-Stage 0.01μm Ultra-Filtration Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, PW-KS

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Water Level Window - This Purewell stainless steel filtration system features a transparent window, allowing you to easily monitor the water level without having to open it.
•3-Stage Filtration - Purewell gravity water filter system adopts a composite filter technology, can effectively minimize a broad array of contaminants. The black carbon filter utilizes a 0.01μm hollow fiber UF membrane, a silver ion membrane, and an activated carbon block designed to reduce chlorine and intercept rust, sediment, organic matter and heavy metals.
•Precision Filtration with Smaller Pore Size - Boasting a filter pore size of just 0.01 microns, the Purewell gravity water filter efficiently sieves out 99.99% of minuscule materials from the water, while other brands offer only a 0.2 microns filter pore size. Smaller filter pore size equates to enhanced filtration accuracy. Impressively, despite this microscopic pore size, the Purewell water filter system retains an optimal flow rate of 4 gallons per hour.
•Energy Efficient - Operating on the principle of gravity filtration, this system requires no electricity. The Purewell gravity water filter system comprises upper and lower chambers: the former for unfiltered tap water and the latter for collecting filtered water. Its no-electricity requirement makes it versatile for both indoor and outdoor use. NOTE: Avoid adding tap water to the top chamber when the bottom chamber is filled with filtered water to prevent leakage.
•Durable and Replaceable - The pair of black carbon filters provides up to 6000 gallons of drinkable water, with each filter element serving up to 3000 gallons (lifespan may vary depending on water quality). For optimal performance, it's recommended to replace the filter elements every 6 months. Please note: This system does NOT lower the TDS value.

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$158.99

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Purewell

Purewell PF-4 Ceramic 3-Stage Purification Elements, Washable & Reusable, NSF/ANSI 42&372 Certified, Replacement for ProOne®, Berkey®, Purewell® Filters and Water Filter Systems (2 Pack, K Series)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•【Compatible Models】The Purewell Ceramic Filters can be replacement for ProOne Big+ or Big II Series and Berkey BB9-2 black filters, Travel, Big, Royal, Imperial, Light, Crown Berkey Series. And it is also compatible with Purewell Gravity-fed Water Filter System. Thanks to its exquisite design, this filter achieves great fit and no leakage. The water filter is not sourced by or sponsored by Berkey or ProOne. Purewell is an independent brand.
•【Efficient 3-Stage Filtration】Our ceramic filters feature a 3-layer design. The outer layer is ceramic, effectively blocking large particulate contaminants; the middle layer is activated carbon, removing 99% chlorine and harmful chemicals; and the inner layer contains silver ions, preventing the growth of other substances after filtration, further reducing harmful substances and ensuring the safety of drinking water. Please flush the filter for 1 min before use by connecting to faucet.
•【Connectable】Our ceramic filter element can be connected with the white defluorination filter element (like FL-2) to meet your fluoride removal needs, which is not available in other ceramic filters on the market.
•【Safe and Washable】The replacement for Berkey or ProOne water filter is certified against NSF/ANSI 372 standard for lead-free materials. Furthermore, this filter uses BPA-free housing, ensuring its safety. When sedimentation appear on the surface of the filter element, you can use the included sponge to scrub the surface of the filter element to extend the service life of the filter element, but do not use soap or other cleaning materials (otherwise it will clog/damage the filter pores).
•【Longer Service Life】Each pair of ceramic filters can provide 10,000 gallons of fresh water. For better performance, we recommend that you replace the filter every 10,000 gallons. However, this may vary depending on your water conditions. Note: The TDS level does not fully indicate the quality of the water and our filters DOES NOT lower TDS value.

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$69.98

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ProOne

ProOne Traveler+ Stainless-Steel Gravity Filter System, 2.25-Gallon Water Capacity, Countertop Water Dispenser for Home & Travel with One 5” Filter & Wire Stand, Independently Tested Proven to Reduce

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•WATER-FILTER DISPENSER: Everyone needs a reliable water filter to remove chemicals and contaminants. The Traveler+ is a 2.25-gallon stainless-steel water filtration system that can go on your countertop or in your RV. This dispenser includes a wire stand for your convenience.
•GRAVITY FILTER: Our filter helps remove contaminants from drinking water while leaving behind beneficial minerals like calcium so your entire family can enjoy healthier H2O. The ProOne G2.0 filter in this system is NSF/ANSI-42 component certified and independent lab tested to other NSF standards.
•STAINLESS-STEEL COUNTERTOP WATER FILTER: Designed for lasting durability, this ProOne system is made from stainless steel. The sleek design looks great on your counter, is easy to clean, and resists corrosion and rust, making it ideal for daily use indoors or outdoors.
•LONG-LASTING FILTER: Our filter is infused with silver to help prevent unwanted contaminant growth, leaving you with convenient, worry-free drinking water. With regular daily use, it will last up to 6 months.
•SURVIVAL & EMERGENCY WATER FILTER: This portable water-filter system functions without electricity and power, so you’ll always have access to clean water. Whether you’re fighting through a natural disaster or going on a camping trip, this water filter will be there for you.

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$306.49

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ProOne

ProOne 9-Inch Gravity Water Filter Replacement G-Series 3-Pack - Universally Compatible with Gravity Water Filter Systems - NSF/ANSI Certified to Reduce Lead, Reduce Microplastics, & Total PFAS

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•REPLACEMENT WATER FILTER: With so many chemicals & contaminants out there, everyone needs a reliable water filtration system. With this replacement filter for the ProOne Big+ Countertop Gravity Water Filter Systems, you'll never run out of clean water.
•REMOVES CONTAMINANTS: Our filters help remove contaminants from your drinking water. Beneficial minerals such as calcium are left behind for great-tasting, healthier H2O that your entire family can enjoy worry-free. NSF/ANSI-42 component certified. Independent lab tested to other NSF standards.
•PORTABLE WATER FILTER: Our filters don't require any priming. Easy to clean. This makes them perfect to use at home, camping, or traveling! The all-in-one filtration is ideal for use with most water sources, including lakes, rivers, streams, ponds, rain, and tap water.
•LONG-LASTING FILTERS: Each filter will last up to 12 months with regular daily use. Our filters are infused with silver to help prevent unwanted contaminant growth, leaving you with convenient, worry-free drinking water.
•SURVIVAL & EMERGENCY WATER FILTER: This portable water filtration system functions without electricity. Even without power, you'll have access to clean water. This water filter will be there whether you're fighting through a natural disaster or going on a camping trip or just daily use.
•COMPATIBILITY: Compatible with multiple water filtration systems including the ProOne Traveler+, Big+, AquaCera, Berkey Systems: Royal Berkey, Imperial Berkey, Crown Berkey, Doulton, Patriot Pure & Waterdrop

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$204.86

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ProOne

ProOne G-Series 7-Inch Gravity Filter Replacement 3-Pack - Universally Compatible with Gravity Water Filtration Systems - NSF/ANSI Certified to Reduce Lead, Microplastics, & Total PFAS (3-Pack)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•REPLACEMENT WATER PURIFIER FILTER: With so many chemicals and contaminants out there, everyone needs a reliable water filtration system. With this replacement filter for the ProOne Big+ or Big II Countertop Gravity Water Filter Systems, you'll never run out of clean water.
•WATER GRAVITY FILTER: Our filters help remove contaminants from your drinking water. Beneficial minerals such as calcium are left behind for great-tasting, healthier H2O that your entire family can enjoy worry-free.NSF/ANSI-42 component certified. Independent lab tested to other NSF standards.
•PORTABLE WATER FILTRATION SYSTEM: Our filters don't require any priming. Easy to clean. This makes them perfect to use anywhere! The all-in-one filtration is ideal for use with most water sources, including lakes, rivers, streams, ponds, rain, and tap water.
•LONG-LASTING FILTERS: Each filter will last up to 6 months with regular daily use. Our filters are infused with silver to help prevent unwanted contaminant growth, leaving you with convenient, worry-free drinking water.
•SURVIVAL AND EMERGENCY WATER FILTER: This portable water filtration system functions without electricity. Even without power, you'll have access to clean water. This water filter will be there whether you're fighting through a natural disaster or going on a camping trip or just daily use.

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$184.22

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