Purefast® Countertop

$45.00 available on subscription from Original price was: $45.00.Current price is: $40.00. every 6 weeks

Easy to use with Brita pitchers

Convenient PFAS-free water available in your kitchen with Purefast Filter Cartridge. Use with Brita Pitchers and enjoy PFAS-free water in about 20 minutes. Effective for the removal of PFOA, PFOS, PFHxA, PFHxS, PFNA, PFDA, PFHpA, PFPeA, PFBS, PFBA, HFPO-DA (GenX). Includes prepaid mailer for Cyclopure Used Filter Return Program.

Recommended use within 90 days of purchase.

Tested by NSF International to a capacity of 65 gallons for the reduction of chlorine in accordance with NSF/ANSI 42 and for PFOA/PFOS reduction in accordance with NSF/ANSI 53.

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How do I condition my Purefast filter before use?

It is important to follow the 4-step filter preparation instructions included in the Purefast User Guide. This easy 5-minute conditioning process will ensure smooth filtration and fresh tasting PFAS-free water:

Step 1. Run small streams of tap water through the top of the filter for 15 seconds. Turn the filter upside down and allow water to flow through each bottom screen for 15 seconds – a total of 60 seconds.

Step 2. Fill your pitcher with water and hold the filter under water. Gently shake and tap the filter against the interior wall of the pitcher to fully wet the media for about 2 to 3 minutes, or until you no longer see air bubbles coming out of the filter.

Step 3. Insert the filter into the pitcher reservoir by lining up the groove in the filter with the notch in the reservoir (if applicable). Gently press the filter down to secure the filter in the reservoir.

Step 4. Before use, fill the reservoir with tap water and discard the filtered water. For best results, avoid pouring tap water directly on top of the filter. Repeat this step two to three times.

For the best hydraulic performance, it is recommended to recondition the filter every 30 days. Larger households and those using the Ultramax pitcher model may need to recondition the filter every 2 weeks. To recondition, remove the filter and shake gently before following conditioning steps 1-3 (above).

How long does the Purefast filter last?

Purefast filters are certified for 65 gallons of water, which can last up to 3 months for a family of 2. This is based on the CDC estimation that one person drinks 44 oz. of tap water per day, or 1,320 oz. (10 gallons) per month.

For an average water drinker:

One person
Up to 6 months

Family of Two
Up to 3 months

Family of Four
Up to 1.5 months

Which Brita pitcher should I use with my Purefast filter?

Purefast is designed to work with Brita pitchers that use standard filters, such as the following:

  • Soho (5 cup)
  • Space Saver(6 cup)
  • Tahoe (10 cup)
  • Ultramax (27 cup)
What else does Purefast filter out in addition to PFAS?

PFAS and Chlorine. In addition to PFAS removal, Purefast is also certified by NSF for chlorine (taste and odor) removal.

Mineral Ions. Purefast does not remove (leaves intact) inorganic ions like fluoride and healthy mineral ions.

Where is your NSF Certification posted on the NSF website?

Please click this link.

How effective are Purefast filters in removing PFAS compounds?

Cyclopure internal testing demonstrates reduction of 11 PFAS (PFOA, PFOS, PFHxA, PFHxS, PFNA, PFDA, PFHpA, PFPeA, PFBS, PFBA, HFPO-DA (GenX)) to non-detect for 65 Gallons capacity based on influent concentration of 40 ppt per PFAS.

How do I recycle my Purefast filter?

Sustainability is one of our top priorities. Purefast will do the work to achieve ZERO PFAS in your drinking water. If you return your used filter to us, we will ensure that ZERO PFAS waste goes to the environment.

Each Purefast filter comes with a pre-paid mailer to return used cartridges to our lab for safe disposal. When you open the package, check the mailer and store it where you will remember, such as a catchall drawer in the kitchen.

When the filter is fully used, place the spent cartridge in the mailer, seal it, and drop off the package at the post office to return. Postage is already paid!

Is it okay if there is moisture in the Purefast packaging?

Each Purefast filter comes pre-conditioned for smooth filtration. You may find some moisture or a small amount of water when you open the packaging. This is normal.

How should I store my filter if I plan to go out of town?

For short term storage (1-2 days), we recommend leaving the filter in the pitcher (with filtered water) and storing the pitcher in the refrigerator.

For long term storage (3+ days), we recommend leaving the filter in the pitcher (no water in the pitcher) and storing the pitcher in the refrigerator.

Before the next use, you may need to recondition the Purefast filter by following the steps in Q1.