Do BWT water filters have PFAS?
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
Aqua Pure
3M Aqua-Pure AP802B Whole House Filter Housing
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product. See all of them.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product. See all of them.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product. See all of them.
BWT water filters average 95 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 BWT water filters graded as of October 2026, level with the 95 out of 100 median for the 63 other water filters brands graded alongside it.
BWT water filters average Excellent on our four-band scale. 5 of the 5 we graded are worth buying. That is above 36% of the water filters brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
BWT water filters worth buying Good or better, best-graded first
BWT
Water filter jug BWT AQUAlizer 2.6 l
- Polypropylene jug body; activated carbon filter cartridge
- We found no PFAS statement from the brand
- Bacterial growth in filter cartridge, If the cartridge is not replaced on schedule (every 4 weeks) or if the…
5 hazards checked on this product. See all of them.
BWT
AQUAlizer 2.6 L Pitcher with Illuminated Baselight and Zinc + Magnesium Cartridges at Whole Latte Love
- Plastic pitcher body; zinc + magnesium cartridge media; unspecified filter substrate
- We found no PFAS statement from the brand
- Plastic leaching (general polymer), Food-grade plastic pitchers are designed to minimize leaching, but…
4 hazards checked on this product. See all of them.
BWT
AQUAlizer Baselight Jug
- plastic jug body; replaceable activated carbon/resin filter cartridge
- We found no PFAS statement from the brand
- BPA & bisphenols, Food-grade thermoplastics used in jug filters are generally low-risk, but BWT/AquaBliss…
4 hazards checked on this product. See all of them.
BWT
AQUalizer Baselight Table Water Filter Jug
- Plastic jug with carbon/ion-exchange cartridge filter
- We found no PFAS statement from the brand
- Bacterial growth in cartridge/housing, Pitcher filters inherently create a stagnant microenvironment; risk…
2 hazards checked on this product. See all of them.
BWT
Home Manual Aqualizer
- activated carbon, ion exchange resin cartridge
- We found no PFAS statement from the brand
- Bacterial growth in cartridge and reservoir, Manual pitchers rely on user compliance for timely cartridge…
4 hazards checked on this product. See all of them.
Better water filters from other brands
Graded higher than the BWT average of 95.
Aquamira
Water Storage Treatment 2 oz Glass Bottles 60 gallons Purification
- glass bottles, sodium dichloroisocyanurate treatment chemical
- We found no PFAS statement from the brand
- Chemical overdose or misuse
5 hazards checked on this product. See all of them.
Big Berkey
Empty Housing with NO Filters Included
- Stainless steel housing and spigot
- We found no PFAS statement from the brand
- Bacterial growth and biofilm if filters not replaced
5 hazards checked on this product. See all of them.
LifeStraw
Home Glass Water Filter Pitcher
- Borosilicate glass pitcher, replaceable activated-carbon filter cartridge
- Bacterial growth in filter cartridge if unmaintained
5 hazards checked on this product. See all of them.
The same question, asked of the other water filters brands
Best average grade first. BWT averages 95.
See every BWT product we grade on the BWT brand page, or the full water filters ranking.