Delta Faucet · Countertop Filters
Delta Contemporary Round
Lower concern faucet filter. No PFAS risk signals identified.
Delta Contemporary Round is a basic faucet-mounted water filter using standard carbon or ceramic filtration, typical stainless/brass hardware. No known PFAS-related treatments or coatings reported.
Shop Delta Faucet on Amazon →Material
Carbon/ceramic filter media, brass/stainless valve components
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 Delta Contemporary Round uses activated carbon and ceramic filter media, which are industry-standard materials for contaminant adsorption and mechanical filtration. The valve body is constructed from brass and stainless steel components, both of which are corrosion-resistant and do not leach into water under normal use. Unlike some filter housings made from certain plastics, these materials do not interact chemically with water or release compounds over time. The filter cartridge itself is replaced periodically, so aging of the media is a maintenance issue, not a safety risk.
The brand's record and disclosure
Delta Faucet is a major plumbing manufacturer owned by Masco Corporation and has no public record of safety violations or recalls specific to countertop filter units. The brand does not publish detailed PFAS remediation statements for this product category, which is typical for traditional faucet filter makers. Delta maintains NSF certification on many of its water products, signaling third-party testing, though certification details for this specific model should be verified on the product packaging or website. No established controversies regarding material safety or consumer harm have been documented for this filter line.
How it compares in its category
Countertop filters vary widely in housing materials; models using polycarbonate or other plastics carry higher scrutiny for microleaching, whereas Delta's brass/stainless approach is among the more chemically stable options. Most competing brands (Brita, Pur, Aqua Tru) use similar carbon-based media and plastic housings, making this filter's metal construction a relative material advantage. The ceramic component adds redundant filtration but does not pose leaching or degradation concerns documented for glazed ceramic cookware; it is inert when in contact with water. Replacement filter availability and cost are typically better for Delta as a market leader than for specialty brands.
If you buy it
Replace the filter cartridge every 2-3 months or as indicated by flow rate decline to prevent bacterial colonization in a saturated filter bed. Rinse the housing under tap water monthly and inspect the valve seals for mineral deposits; flush the unit before first use. Store in a cool, dry location when not in use and do not expose the filter to freezing temperatures, which can crack ceramic media. Follow the manufacturer's replacement schedule strictly; expired filters lose effectiveness and can harbor pathogens, which is the primary failure mode of countertop filters, not chemical leaching.
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 regrowth in filter bed
All countertop filters, including this model, are prone to bacterial and mold colonization if the cartridge is not replaced on schedule or if the unit sits unused for extended periods. This is a maintenance failure, not a product design flaw, but remains the most common health concern in this category.
Mineral scale and valve corrosion
Brass and stainless steel are corrosion-resistant to typical tap water. Hard water mineral deposits can accumulate in valve passages, but this is a performance issue (clogging) rather than a chemical leaching hazard.
Ceramic media degradation
Ceramic filter media used in countertop units are not glazed or enameled and do not leach lead, cadmium, or other heavy metals into water. Cracks in ceramic are visible and render the cartridge ineffective, not dangerous.
Activated carbon dust or fines
Some carbon filters release fine particles in the first use or as the cartridge ages and breaks down mechanically. This is mitigated by flushing before use and replacing on schedule; no toxicological concern but can affect water clarity.
Plastic seals and gaskets off-gassing
While the housing is metal, internal seals are likely silicone or rubber, which do not off-gas into water at room temperature. No evidence of leachable plasticizers in typical countertop filter seals.
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 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.