LG Review, Is LG Non-Toxic?
Across 7 graded products, LG averages Excellent (95/100). On disclosure, the brand says nothing publicly about PFAS. 7 of its products grade Good or better. Grades are model-based estimates, not lab results.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Worth buying from LG Good or better, best-graded first
LG
Select LG Refrigerator Water Filter
Activated carbon and/or ion-exchange resin filter media
Bacterial growth in filter housing
If filters are not replaced on schedule or if water sits stagnant in the housing between…
Carbon fine particles in water
New or improperly flushed activated carbon filters can release small black particles…
Cartridge bypass due to improper installation
If the filter cartridge is not fully seated or the O-ring seal is damaged, water can…
Lower-concern water filter; no known PFAS risk, but LG offers no public transparency on materials.
⚠Brand says nothing about PFAS
LG
Refrigerator Water Filter LT700P
Activated carbon, polypropylene filter media
Bacterial growth in carbon media
Activated carbon can harbor bacteria if not replaced regularly or if the refrigerator…
Carbon dust or fines in dispensed water
New filters may release fine carbon particles in the first few liters of water. This is…
Lower-concern water filter; standard carbon media unlikely to contain PFAS, but LG offers no transparency.
⚠Brand says nothing about PFAS
LG
Replacement Refrigerator Water Filter-LT700P
Activated carbon filter media, plastic housing
Bacterial growth in filter housing
If the filter is not replaced on schedule or if the refrigerator dispenser is…
Filter bypass or incomplete sealing
If the cartridge is not inserted firmly or the housing is cracked, unfiltered water may…
Lower concern for a water filter.
⚠Brand says nothing about PFAS
LG
200 Gallon Refrigerator Water Filter
activated carbon/coconut shell carbon filter media
Bacterial growth in filter media
Activated-carbon filters can support microbial biofilm if not replaced on schedule or if…
Loose carbon particulate in water
New or poorly installed filters may shed fines of activated carbon into water during…
Taste or odor rebound
Beyond 200 gallons or 6 months, carbon saturation can allow chlorine and taste compounds…
Lower PFAS concern; activated-carbon filters aren't a typical PFAS source, but LG doesn't publicly disclose PFAS testing.
⚠Brand says nothing about PFAS
LG
LT600P3 Replacement Refrigerator Water Filter 3-Pack
activated carbon, polypropylene housing
Bacterial growth in unmaintained filter housing
If replacement intervals are skipped or the filter sits idle in warm conditions, the…
Activated carbon dust or fines ingestion
New activated-carbon filters can shed fine black particles if not rinsed before first…
Lower-concern choice; standard carbon filter design without known PFAS triggers, but LG offers no transparency.
⚠Brand says nothing about PFAS
LG
Waterdrop Slim Water Filter Dispenser, Lg 35-cup, 200-gallon For Parts
plastic housing, activated carbon filter media
Activated carbon cartridge replacement compliance and bacterial regrowth
If cartridges are not replaced on schedule or if the dispenser sits unused for extended…
PFAS
Carbon cartridges may use synthetic binders or activated charcoal derived from coal or…
PFAS
Activated carbon is sometimes manufactured or treated with PFAS-containing compounds; LG…
Skip until the brand confirms filter media PFAS status.
⚠Brand says nothing about PFAS
LG
Water Purifier
Activated carbon and RO membrane filters
Bacterial and biofilm growth (filter cartridges)
Water filters become pathogen vectors if cartridges are not replaced on schedule or if…
Activated carbon dust ingestion
New or poorly installed activated carbon cartridges can shed fines into the first liters…
RO membrane material degradation
RO membranes are polymeric and can crack or fray if exposed to temperature extremes, high…
Filter certification gap
LG does not always publish contaminant-specific removal rates (e.g., lead, fluoride…
Water filter likely lower PFAS risk, but no brand disclosure.
⚠Brand says nothing about PFAS
LG and PFAS, common questions
- Does LG have PFAS?
- We graded 7 LG products, averaging Excellent (95/100). 7 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is LG non-toxic?
- Select LG Refrigerator Water Filter is the highest-graded LG product we have scored, at 95/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which LG products are lower concern for PFAS?
- The highest-graded LG products we have scored are Select LG Refrigerator Water Filter, LG Refrigerator Water Filter LT700P, LG Replacement Refrigerator Water Filter-LT700P. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →