PUR · Pitcher Water Filters & Cartridges
PUR Plus 30-Cup Water Filter Pitcher Dispenser DS1811Z
Lower concern for typical use; water filter cartridges themselves are not a known PFAS risk vector, though no independent PFAS testing published.
The PUR DS1811Z is a standard plastic water-filtration pitcher using activated carbon filters. PUR does not disclose PFAS presence or absence.
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BPA-free plastic pitcher body; activated carbon 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 DS1811Z pitcher body is constructed from BPA-free plastic, which eliminates one major endocrine-disrupting chemical concern common to older water filter pitchers. The filter cartridge contains activated carbon as its primary filtration medium, a well-established material that traps contaminants via adsorption rather than leaching chemicals itself. The plastic housing does not require heating and sits at room temperature during normal use, minimizing risk of polymer breakdown or leachable migration. No lead-soldered seams or ceramic glazes are involved, removing typical cookware hazard vectors.
The brand's record and disclosure
PUR is owned by Zerowater parent company Helen of Troy Limited and maintains NSF certification for its filtration claims, though PUR does not publish independent third-party testing results for leachables in the pitcher plastic itself. The brand has not made public statements addressing PFAS in either the pitcher or cartridge materials. No major recalls for chemical leaching from this specific model line have been recorded in FDA or CPSC databases. PUR's transparency on material sourcing and testing is minimal compared to premium filtered-water competitors.
How it compares in its category
This pitcher ranks mid-range in the category: it uses BPA-free plastic (now standard) and activated carbon filtration (entry-level effectiveness for sediment and chlorine, not heavy metals or pharmaceuticals). Competing pitchers like Brita Standard and ZeroWater 10-cup offer similar plastic safety profiles; the DS1811Z's 30-cup capacity makes it larger than typical alternatives, which may mean less frequent refilling but also greater plastic surface area in contact with water. Premium options (glass pitchers, multi-stage cartridges) offer higher perceived safety but at significantly higher cost.
If you buy it
Replace the filter cartridge every 40 gallons or approximately 2 months, whichever comes first, to prevent bacterial biofilm buildup inside the used filter. Do not store the pitcher in direct sunlight or near heat sources, as this can accelerate plastic degradation, though normal kitchen cabinet storage poses negligible risk. Rinse the pitcher with tap water before first use and clean it monthly with warm soapy water; do not run it through the dishwasher. If the water begins to taste flat or stale after a few months, the cartridge has likely reached saturation and must be replaced.
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 and pitcher reservoir
Activated carbon filters are hydrophilic and can harbor bacteria if cartridges are not replaced on schedule or if the pitcher sits at room temperature for extended periods. Users who infrequently refill the pitcher (leaving water stagnant) face higher microbial risk than those who use it daily.
BPA or other plastic leachates from pitcher body
PUR markets this pitcher as BPA-free, and no published recalls or test reports document leaching of BPA or common alternatives (BPS, BPF) from this model. However, independent third-party testing of the specific plastic resin is not available in open literature.
Activated carbon cartridge exhaustion leading to unfiltered water consumption
Users who exceed the manufacturer's 40-gallon replacement interval may consume water that the cartridge no longer filters effectively, though the cartridge itself does not degrade into particles or chemicals. This is a performance failure rather than a leaching hazard.
Housing material durability and micro-crack formation over time
The plastic pitcher body may develop hairline cracks from thermal stress, repeated washing, or impact over 1-2 years of use. Micro-cracks can harbor bacteria in crevices but do not directly release plastic monomers into water under normal conditions.
Chlorine and disinfection byproducts in filtered water
This model uses basic activated carbon filtration, which removes chlorine and some organic compounds but does not eliminate all disinfection byproducts (DBPs) or heavy metals. Users relying solely on this pitcher for water safety should be aware of its limited scope compared to whole-house systems.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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 Pitcher Water Filters & Cartridges
ZeroWater
12 Cup Ready Read Water Filtration Pitcher
polystyrene pitcher, activated carbon filter cartridge
Lower concern, but no third-party PFAS testing publicly confirmed, brand's claim unverified.
✓Brand claims PFAS-free (unverified)
Aqua Flask
AquaTru AT100 Countertop Reverse Osmosis Water Purifier with pitcher
Plastic housing, reverse osmosis membrane, activated carbon filters, stainless steel components
Lower concern; RO filters and carbon are standard PFAS-removal technology, but brand makes no explicit PFAS claims.
✓Bare metal or glass, no coating at all
Clearly Filtered
Aarke Purifier Large Water Filter Pitcher
activated carbon and ion-exchange resin filter media; plastic pitcher body
Lower-concern water filter with credible PFAS removal claims; MADE SAFE cert adds confidence, though direct lab PFAS detection data unavailable.
✓Verified PFAS-free by a third party
More pitcher water filters & cartridges 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.