Sharp · Refrigerator Filters
Sharp Replacement Water Filter SJG2254FS
Lower concern. Typical water filter using carbon and resin.
Water filters typically use activated carbon and ion-exchange resins, materials without documented PFAS use. Sharp makes no PFAS claims. No lab data available for this model.
Shop Sharp on Amazon →Material
activated carbon, ion-exchange resin filter media
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 SJG2254FS uses activated carbon and ion-exchange resin as its core filtration media. Activated carbon works by adsorption, trapping dissolved contaminants and chlorine compounds in its porous structure without releasing them back into water under normal use conditions. Ion-exchange resin beads swap harmless ions (like sodium or potassium) for hard minerals and some heavy metals, then are discarded when the filter is replaced, so no leaching of resin components into drinking water occurs with proper installation and timely replacement.
The brand's record and disclosure
Sharp does not publish detailed safety data sheets or sustainability statements for this specific filter model in publicly available sources. The brand has no documented product recalls for this filter line related to contamination or hazardous leaching. No third-party certifications (NSF, WQA) are listed on the product, which limits independent verification but does not indicate a safety failure; many OEM filters lack these certifications.
How it compares in its category
Refrigerator filters in this price range almost universally use carbon and resin media, making the SJG2254FS materially indistinguishable from competitors in terms of chemistry and hazard profile. The main differentiator across OEM filters is replacement interval and how aggressively the manufacturer markets certified third-party testing; Sharp's lack of visible certification is common but less transparent than some premium alternatives. Aftermarket carbon filters with NSF certification may offer greater assurance, but carry different logistical trade-offs.
If you buy it
Replace the filter every 6 months or per the manufacturer's 200-gallon capacity guideline to prevent bacterial biofilm growth inside spent media, which is the primary health risk with water filters. Store the filter in a cool, dry place before installation; keep the plastic housing and cartridge dry to avoid mold on unused inventory. Do not attempt to reuse or regenerate the filter, as the resin becomes exhausted and will cease to remove hardness and some contaminants. Follow the installation instructions precisely to avoid bypassing or improper seating, which would reduce effective filtration.
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 and biofilm formation
Activated carbon and resin are organic-friendly media; if the filter is left in service beyond its replacement interval or the housing remains moist between uses, microorganisms can colonize the cartridge. This is not a material leaching hazard but a maintenance issue common to all water filters.
Housing material leaching (plastic components)
The filter housing is typically polypropylene or similar food-contact safe plastic. No reports of BPA, phthalates, or other endocrine disruptors leaching from Sharp refrigerator filter housings are on public record; polypropylene is chemically inert in cold water contact.
Improper installation leading to unfiltered water bypass
If the cartridge is not seated correctly or the O-rings are damaged, water can flow around the media. This is a usage error rather than a product defect, but results in no filtration benefit and requires careful attention to installation steps.
Carbon dust migration into drinking water
Quality activated carbon filters are designed to prevent fines from escaping into the output water. No widespread complaints of black particulates in water from this model are documented, suggesting adequate binding and quality control in manufacture.
Heavy metal leaching from filter media
Activated carbon and ion-exchange resin do not leach lead, cadmium, or other metals into treated water under normal conditions. Both materials are inert after manufacture and are discarded when the filter is replaced, eliminating accumulation concerns.
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 Refrigerator Filters
Kenmore
9690 Refrigerator Water Filter 1-Pack, Nsf/wqa/iapmo Certified, Reduces 99% Chlorine & Odor, BPA-Free, Replacement for 46-9690 469690 Lt700p
activated carbon filter cartridge
Lower-concern water filter; carbon-based design unlikely to contain PFAS, but Kenmore makes no explicit PFAS disclosure.
✓Verified PFAS-free by a third party
Kenmore
Pureline Filter Compatible with Whirlpool Everydrop Filter 1
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Lower concern for PFAS; standard cartridge filter with no known PFAS-bearing materials, but brand offers no transparency.
✓Bare metal or glass, no coating at all
Clearly Filtered
Water Pitcher Replacement Filter 3-Pack
Activated carbon and ion-exchange resin filter media
Lower-concern option; activated carbon filters are standard PFAS-reduction media, but verify pitcher durability and actual tested removal rates independently.
✓Brand claims PFAS-free (unverified)
More refrigerator 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.