Countertop Filters, ranked by PFAS safety
15 products graded from Bad to Excellent, safest first. 15 grade Good or better and are worth buying.
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The best non-toxic countertop filters, ranked safest first
Worth buying Good or Excellent, safest first
ZeroWater
40-Cup Glass Water Filter Dispenser
borosilicate glass, plastic pitcher housing, ion-exchange resin cartridge
Ion-exchange resin cartridge composition opacity
Limited concern
Bacterial or mold growth in housing and spigot
Limited concern
Polypropylene plastic durability and UV exposure
Limited concern
Low risk. Glass pitcher avoids PFAS, but cartridge transparency lacking.
✓Bare metal or glass, no coating at all
ZeroWater
Culligan ZeroWater Technology 22-Cup Ready Water Filtration Dispenser
Plastic housing, activated carbon + ion-exchange resin filter media
Activated carbon dust or resin particle shedding
Limited concern
Bacterial growth in stagnant water or unmaintained filter
Moderate concern
Ion-exchange resin leaching or breakdown products
Limited concern
PFAS
Limited concern
Low risk. PFAS claims present, but verification through testing lacking.
✓Brand claims PFAS-free (unverified)
LARQ
PureVis Pitcher
Borosilicate glass pitcher, activated carbon filter cartridge
Bacterial growth in filter cartridge
Limited concern
Activated carbon filter housing leachables
Limited concern
Replacement cartridge sourcing variability
Limited concern
PFAS
Limited concern
Low risk. Glass pitcher avoids PFAS, verify filter cartridge sourcing.
✓Bare metal or glass, no coating at all
LARQ
Pitcher
borosilicate glass pitcher, replaceable activated carbon filter
Bacterial growth in filter housing if unmaintained
Limited concern
Filter composition leachables (unspecified binders and media)
Limited concern
Thermal shock cracking of borosilicate glass
Limited concern
Contaminant removal efficacy not independently verified
Limited concern
Low risk. Glass design avoids Teflon-family coating coatings entirely.
✓Bare metal or glass, no coating at all
Brita
Hub Compact Countertop Water Filtration Device
Activated carbon & ion-exchange resin filters; plastic housing
Bacterial growth in filter cartridge and housing
Limited concern
Ion-exchange resin shedding or degradation
Limited concern
Activated carbon dust or fines entering water
Limited concern
Improper filter replacement and contamination
Limited concern
Low risk. Standard materials carry lower concern, but no brand transparency.
⚠Brand says nothing about PFAS
Brita
Hub Countertop Water Filter System
activated carbon filter media, plastic reservoir housing
Plastic reservoir leachables (oligomers, residual monomers)
Limited concern
Bacterial growth in filter media and tubing
Limited concern
PFAS
Moderate concern
Mold or mildew in housing seams and spigot
Limited concern
Low risk. Standard filter materials pose lower concern despite brand silence.
⚠Brand says nothing about PFAS
Brita
UltraMax Filtered Water Dispenser
BPA-free plastic pitcher with activated carbon filter cartridge
Bacterial growth in filter media
Limited concern
Incomplete contaminant removal claims
Moderate concern
Pitcher housing durability and degradation
Limited concern
Low risk. Carbon filters avoid PFAS vectors, no brand transparency offered.
⚠Brand says nothing about PFAS
ZeroWater
32 Cup Ready-Read Water Filtration Dispenser
plastic reservoir, activated carbon filter media
Bacterial growth in filter cartridge if unmaintained
Limited concern
Degradation of plastic components over time
Limited concern
Low risk. Standard carbon filtration carries no known PFAS red flags.
⚠Brand says nothing about PFAS
LARQ
Pitcher Filter Essential Filter
Activated carbon and ion-exchange resin filter media; plastic pitcher housing
Bacterial growth if filter not replaced on schedule
Limited concern
Filter media breakdown or channeling over time
Limited concern
Unverified removal claims due to lack of independent testing
Moderate concern
Low risk. Standard carbon and resin media, no red flags identified.
⚠Brand says nothing about PFAS
PUR
XL 44-Cup Water Filter Dispenser with 2 Genuine PUR Filters
Plastic dispenser housing, activated carbon filter media
BPA & bisphenols
Limited concern
Bacterial growth in filter or housing
Limited concern
Activated carbon filter exhaustion and contaminant breakthrough
Limited concern
Housing degradation from chlorine or minerals
Limited concern
Low risk. Standard carbon filters avoid PFAS-prone chemistry.
⚠Brand says nothing about PFAS
PUR
Plus 30 Cup Dispenser
activated carbon filter, plastic dispenser housing
Bacterial growth in filter media if not maintained
Limited concern
Ion-exchange resin particles or fragments in filtered water
Limited concern
Activated carbon dust or fines in first use
Moderate concern
Reduced contaminant removal if filter exceeds rated capacity
High concern
Low risk. Carbon-filter design carries no known PFAS exposure.
⚠Brand says nothing about PFAS
Culligan
MaxClear Technology Gravity Countertop Water Filter System
Activated carbon, ion exchange resin, polypropylene housing
Bacterial growth in filter media and housing
Limited concern
Activated carbon dust or fines in filtered water
Limited concern
Chlorine or chloramine taste/odor breakthrough
Limited concern
Low risk. Standard filter materials, no known PFAS red flags.
⚠Brand says nothing about PFAS
Culligan
with MaxClear Technology 3 gallon gravity water filter system
Plastic housing, carbon/ion-exchange filter media
Bacterial and mold growth in reservoir
Limited concern
Filter media saturation and contaminant breakthrough
Limited concern
Low risk. Typical gravity design, no public PFAS transparency offered.
⚠Brand says nothing about PFAS
Culligan
Venture Countertop Water Filter System
Carbon and ion-exchange filter cartridges
Ion-exchange resin degradation
Limited concern
Bacterial biofilm in cartridge
Limited concern
Microplastics
Limited concern
Low risk. Standard carbon filtration, no known PFAS concern.
⚠Brand says nothing about PFAS
Culligan
MaxClear Gravity Water Filter System
Activated carbon filter cartridge, polypropylene housing
Bacterial or biofilm growth in filter cartridge or housing
Limited concern
Activated carbon dust or particle release
Limited concern
Housing degradation or cracking with age
Limited concern
Low risk. Carbon and PP construction carries minimal PFAS risk.
⚠Brand says nothing about PFAS
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