Delta Faucet · Countertop Filters
IFilters Countertop Ultra Drinking Water Filter
Lower concern; activated carbon filters typically lack PFAS inputs.
Water filters using activated carbon cartridges have lower inherent PFAS risk than coated cookware or treated textiles. No public PFAS disclosure from Delta Faucet on this model.
Shop Delta Faucet on Amazon →Material
Activated carbon filter cartridge, plastic housing
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The IFilters Ultra uses a replaceable activated carbon cartridge housed in food-grade plastic (typically polypropylene or similar commodity resin). Activated carbon is inert and non-leaching at room temperature; it removes dissolved chemicals by adsorption, not dissolution. The plastic housing contacts water but at ambient pressure and temperature, which minimizes leaching risk for typical food-safe resins. No exotic or problematic coatings are documented on this model.
The brand's record and disclosure
Delta Faucet (Masco Corporation subsidiary) is a major plumbing manufacturer with no public product safety recalls specific to this countertop filter line. The brand does not publish detailed material composition or third-party testing claims for this filter. NSF/ANSI certification status for this specific SKU is not widely advertised; verify packaging or Delta's website for any certification badge. Brand transparency on chemical inputs and testing is minimal but not unusual for commodity water filters.
How it compares in its category
Countertop carbon filters are the lowest-risk category in water treatment (no electrical hazards, no pressurized housing, no membrane degradation). Most competitors use similar activated carbon cartridges in plastic housings. This product's main differentiator is flow rate and filter lifespan claims rather than material safety. Pitcher filters (Brita, PUR) and inline faucet filters carry comparable material hazards; reverse-osmosis systems introduce more complex plastics and membrane risk.
If you buy it
Replace cartridges every 2-3 months or per manufacturer guidance to prevent bacterial biofilm growth inside spent carbon; standing water in old filters is a hygiene risk. Store cartridges in a cool, dry place before installation. The plastic housing should not be exposed to prolonged direct sunlight (UV can degrade resin over years). Run water through a fresh cartridge for 1-2 minutes before drinking to flush fine carbon particles and activate pores.
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 media if maintenance neglected
Activated carbon, once saturated, can harbor biofilm if not replaced on schedule. Delta does not emphasize replacement frequency in all marketing materials; user compliance is critical.
Microplastic shedding from plastic housing
No reports of visible degradation or microplastic contamination from Delta's polypropylene housing at room temperature. Housing does not contact hot water, so thermal stress is minimal.
Leaching from plastic housing (BPA/phthalates)
Food-grade polypropylene used in most countertop filters does not contain BPA or phthalates by design. No documented contamination events for this product line.
Carbon source contamination (trace metals, residual pesticides)
Activated carbon for drinking water is regulated and sold for potable-water use, but Delta does not publicly disclose carbon sourcing or heavy-metal testing. Industry standard; risk is low but visibility is limited.
Filter cartridge counterfeit or rebranded sub-standard filters
Third-party replacement cartridges sold online may not meet the same standards as Delta-branded ones. Use only genuine Delta or certified compatible cartridges to avoid unknown material inputs.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 68% 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 Countertop Filters
ZeroWater
40-Cup Glass Water Filter Dispenser
borosilicate glass, plastic pitcher housing, ion-exchange resin cartridge
Lower concern on PFAS, but brand silence on cartridge composition is a missed transparency opportunity.
✓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
Lower concern, but verify filter cartridge specs before relying on PFAS claims.
✓Brand claims PFAS-free (unverified)
LARQ
PureVis Pitcher
Borosilicate glass pitcher, activated carbon filter cartridge
Lower PFAS concern for the pitcher itself; verify filter cartridge sourcing if purchasing replacements.
✓Bare metal or glass, no coating at all
More countertop 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.