LifeStrawHome 7-Cup Glass

The practical details.

Before you buy

Evidence & sources.

Do water filters work? Our evidence review grades the research as Strong. That grade is about the claim, not about this product.

• Independent testA third-party filter database reports WQA listings for the LifeStraw Home Glass 7-Cup under NSF/ANSI 42, 53 and 401, checked Aug 30, 2026. Under 42 it lists chlorine, nominal particulate class I, and taste and odor. Under 53 it lists cadmium, copper, cyst, lead, mercury and turbidity. Under 401 it lists microplastics plus atenolol, bisphenol A, carbamazepine, estrone, linuron, meprobamate, nonylphenol, phenytoin and trimethoprim.^{3, 12} WQA's directory blocked automated access, so the listing wasn't opened directly. LifeStraw's data sheet marks the same claims as WQA certified. The database says the listings name the glass 7-cup and don't support extending them to LifeStraw's plastic pitchers or dispenser.
• CertificationNSF's drinking water directory returns "No Matching Products Found" for the trade name LifeStraw and for the company name Vestergaard. The third-party database found no IAPMO R&T listing as of Aug 30, 2026.^12–15 IAPMO's directory showed no search or listings when fetched, so the IAPMO result rests on the third-party database.
• Manufacturer claimLifeStraw's data sheet for the glass 7-cup gives the WQA-certified results. Lead fell from a 0.15 mg/L challenge to at most 1.7 µg/L (98.9%). Cadmium fell 98.9%, copper 96.7% and mercury 82.9%. Cysts fell 99.996%, chlorine at least 97% and microplastics at least 99.0%.^{3, 4} These are results at the standard's challenge levels, not measurements of your tap. The certified capacity is 40 gallons, the carbon filter's life. The lead and mercury reports came from NSF International's lab in 2020, at pH 6.5 and 8.5. Lab testing at NSF isn't the same as an NSF listing.
• Manufacturer claimLifeStraw's published reports show PFOA plus PFOS fell from a 1.5 µg/L challenge to at most 0.01 µg/L, against a 0.02 µg/L limit. QFT Laboratory ran the test in 2019 under NSF P473 section 7 and sampled to 200% of a 150 L capacity. The data sheet also lists lab results for benzene, styrene, toluene, xylenes, atrazine, lindane and glyphosate.^{3, 4} The data sheet marks these as independently tested, not WQA certified. The product page's FAQ says PFAS reduction is above 99%, but only PFOA and PFOS have published results.
• Manufacturer claimThe data sheet reports 99.999999% bacteria and at least 99.999% parasite reduction for the membrane and says it meets NSF P231 and US EPA standards. The product page calls it the only pitcher independently tested to remove bacteria and parasites.^{1, 3, 4} Not WQA certified. LifeStraw's published test reports don't include a bacteria test. The parasite figure matches a 2021 test with 3-micron microspheres, not live parasites, which found about a 5-log reduction. The same data sheet says not to use it with water that is microbiologically unsafe or of unknown quality without adequate disinfection.
• Manufacturer claimThe product page says the pitcher is WQA certified to remove 99.999% of microplastics. The data sheet lists the WQA-certified microplastics result as at least 99.0%, against an 85% requirement.^{1, 3} Go by the data sheet's 99.0% for the certified figure.