LEM Review, Is LEM Non-Toxic?
LEM averages 34 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 LEM products graded as of November 2026, and 1 of them reach its 70 point pass mark.
LEM grades Poor on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
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.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Does LEM have PFAS, by category
Which LEM products are PFAS-free? Good or better, best-graded first
- stainless steel blade, bare metal construction
- We found no PFAS statement from the brand
- Blade degradation and metal particle shedding. With age and use, stainless steel blades may develop…
2 hazards checked on this product, all on its full breakdown.
Which LEM products contain PFAS? Poor and Bad, we’d swap these
- Paper with polymer coating (grease-resistant layer)
- We found no PFAS statement from the brand
- PFAS. Freezer paper coatings historically use fluorinated compounds for water and grease resistance.…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- plastic film, likely polyethylene or polypropylene with moisture barrier coating
- We found no PFAS statement from the brand
- Microplastic release or degradation. Freezer sheets are stable at cold temperatures. Risk emerges if sheets…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- paper with grease-resistant coating
- We found no PFAS statement from the brand
- Grease-resistant coating leaching (unidentified chemistry), LEM does not disclose whether the coating is…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- bleached paper or cellulose-based sheet with water/grease resistance coating
- We found no PFAS statement from the brand
- PFAS. Aqueous or silicone coatings may migrate minimally into fatty foods (oils, butter, fatty meats) at…
- Paper with unspecified water/grease-resistant coating
- We found no PFAS statement from the brand
- Coating leachables (unspecified composition). The water and grease-resistant coating is not chemically…
2 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonWhat to buy instead Good or better, in the categories LEM sells
IDL Packaging
White Butcher Paper 18" x 12000" Natural Butcher Paper Roll for Meat and Fish
- natural kraft butcher paper, no coating specified
- The brand calls it PFAS-free, which we have not verified
- Bleach residue and chlorine compounds
2 hazards checked on this product, all on its full breakdown.
- kraft paper, unbleached cellulose
- We found no PFAS statement from the brand
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
- cellulose paper, uncoated or minimally treated
- We found no PFAS statement from the brand
- Mold and bacterial growth (storage condition)
3 hazards checked on this product, all on its full breakdown.
LEM and PFAS, common questions
- Does LEM have PFAS?
- LEM averages 34 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 LEM products graded as of November 2026, and 1 of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is LEM non-toxic?
- LEM 15" Freezer Paper Cutter is the highest-graded LEM product we have scored, at 80/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which LEM products are lower concern for PFAS?
- The highest-graded LEM products we have scored are LEM 15" Freezer Paper Cutter. That is our model-based estimate from materials and public disclosure, not a lab test.
- Which LEM products should I avoid?
- The lowest-graded LEM products we have scored are LEM Patty Maker Paper, LEM Freezer Sheets, LEM Freezer Paper. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →