Pur Sure · Water Filters
PUR 8 Cup Slim Water Filter Pitcher
Lower-concern for typical use; pitcher plastic unlikely to leach, but no brand transparency on filter internals.
PUR water filters use activated carbon and ion-exchange resin, materials with lower inherent PFAS risk compared to Teflon-family coating coatings. The pitcher is standard BPA-free plastic. However, PUR (owned by Pentair) makes no public disclosure about PFAS in filter media or manufacturing, a missed opportunity for confidence.
Shop Pur Sure on Amazon →Material
Plastic pitcher & carbon/ion-exchange filter cartridge
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
The PUR 8 Cup Slim pitcher body is injection-molded plastic (likely polypropylene or copolyester), which is chemically stable at room temperature and does not release BPA or phthalates under normal cold-water storage conditions. The filter cartridge uses granulated activated carbon and ion-exchange resin to remove chlorine, taste, and some heavy metals. Neither component is designed to be heated, and the pitcher is intended for cold or room-temperature water only.
The brand's record and disclosure
PUR (owned by Helen of Troy) publishes NSF certification (NSF/ANSI 42 and 53 for some models) but does not publicly disclose detailed filter internals, resin sourcing, or leaching testing beyond certification standards. No major recalls or contamination incidents are on record for this specific model. The brand is largely silent on PFAS removal capability or filter material transparency.
How it compares in its category
Pitcher filters are mid-tier in convenience and cost relative to under-sink or whole-home systems. The PUR brand is competitive with Brita and ZeroWater in the consumer pitcher market; all three rely on activated carbon and ion exchange, with similar replacement intervals (2-3 months). PUR's NSF certifications align with industry standard claims for chlorine and some heavy metal reduction but do not guarantee PFAS or microplastic removal.
If you buy it
Replace cartridges every 2 to 3 months or after 40 gallons of filtration, whichever comes first, to prevent bacterial regrowth and maintain filter performance. Do not expose the pitcher to direct sunlight or heat above 85F, as prolonged temperature stress may accelerate plastic degradation. Rinse the pitcher and lid with warm soapy water weekly, and never fill with hot water. If you rely on this filter for lead or heavy metal reduction, confirm your local water report matches PUR's tested contaminants.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Bacterial growth in filter cartridge
Activated carbon can harbor bacteria if cartridges are not replaced on schedule or if the pitcher is left standing at room temperature for extended periods. Regular replacement and cleaning reduce this risk but do not eliminate it entirely.
Plastic pitcher leaching (BPA/phthalates)
Polypropylene and copolyester pitchers do not release BPA or phthalates at room temperature under normal use. No credible reports or recalls link this product to plastic leaching.
Filter cartridge material leaching
Activated carbon and ion-exchange resin are inert under cold-water storage; NSF certification implies they do not leach regulated compounds. No established risk of cartridge material migrating into filtered water.
Inadequate filtration for specific contaminants
PUR pitchers are certified to reduce chlorine and some heavy metals but are not certified to remove PFAS, microplastics, or all pharmaceuticals. Efficacy depends on your local water chemistry and the specific contaminants present.
Plastic degradation from heat or UV exposure
Prolonged exposure to sunlight or temperatures above room temperature can cause polypropylene pitcher bodies to become brittle or discolor over years of use. This is cosmetic initially but can lead to small cracks that compromise filter performance.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 62% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Water Filters
Generic
Reverse Osmosis System (generic)
✓Lab test found no PFAS
Berkey
Gravity Filter
✓Brand claims PFAS-free (unverified)
More water filters grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.