OriginClear · Refrigerator Filters
AquaClear SGF-G9 Replacement Refrigerator Filter
Lower concern for typical use; no public PFAS disclosure but carbon/sediment filters are inherently lower-risk.
The AquaClear SGF-G9 is a standard replacement refrigerator filter using activated carbon and sediment media, materials not typically associated with PFAS manufacturing. OriginClear makes no PFAS claim, but the brand's silence reflects the industry norm for commodity filter cartridges rather than a red flag.
Shop OriginClear on Amazon →Material
Activated carbon, sediment filter media (standard RO/replacement 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 SGF-G9 uses activated carbon and sediment filter media, the industry standard for refrigerator replacement cartridges. Activated carbon is inert and does not leach chemicals into water under normal refrigerator conditions (cold, low pressure, brief contact time). Sediment media (typically polypropylene or polyester fibers) are likewise stable at cold temperatures and do not shed microplastics into water when used as designed. No heating or prolonged high-temperature exposure occurs in refrigerator filters, eliminating thermal degradation pathways.
The brand's record and disclosure
OriginClear is a smaller, lesser-known filter supplier with no major recalls or safety controversies documented in public databases (FDA, CPSC). The brand does not publish detailed material safety data sheets or NSF/WQA certifications publicly, which is typical of budget replacement filter brands but limits third-party verification. No independent testing or certification marks appear on widely available product listings. This is not a red flag but indicates limited transparency rather than proven harm.
How it compares in its category
Refrigerator replacement filters are among the safest water-contact products because they operate cold, unheated, and with minimal dwell time. The SGF-G9 is comparable to generic OEM and aftermarket alternatives (Frigidaire, GE, etc.) in material class; all use similar activated carbon and sediment substrates. Major brands offer NSF certification; OriginClear does not advertise this, making the SGF-G9 slightly less verifiable but not meaningfully riskier in substance.
If you buy it
Replace every 6 months or per manufacturer guidance, even if flow seems adequate, to prevent bacterial biofilm buildup inside the cartridge, the main failure mode of refrigerator filters. Store unopened filters in a cool, dry place away from direct sunlight to prevent activated carbon degradation. Do not attempt to clean or reuse the cartridge; it is single-use. Flush the filter housing with cold water for 5-10 seconds after installation to purge any loose carbon dust.
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 in unmaintained filters
All activated carbon refrigerator filters can develop bacterial colonies if not replaced on schedule. OriginClear does not differ from competitors in this regard; risk is user-dependent, not product-specific.
Activated carbon dust or fines in water
New filters may shed loose carbon particles; this is harmless and typically resolves after initial flush. Not specific to this brand but common across budget cartridges with less rigorous post-manufacture rinsing.
Housing or seal leachables
Refrigerator filter housings are typically food-grade polypropylene or ABS; no leaching incidents are on record for OriginClear or similar aftermarket brands at cold operating temperatures.
Filter media degradation or collapse
Activated carbon and sediment fibers are chemically stable in cold water. No field reports of premature cartridge failure or structural breakdown specific to the SGF-G9.
Microplastic shedding from filter substrate
Sediment filter media (polypropylene or polyester) do not shed microplastics into cold, still water at typical refrigerator pressures. This hazard is limited to heated or high-turbulence contexts.
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
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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
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Lower concern for PFAS; standard cartridge filter with no known PFAS-bearing materials, but brand offers no transparency.
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Clearly Filtered
Water Pitcher Replacement Filter 3-Pack
Activated carbon and ion-exchange resin filter media
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✓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.