Reverse osmosis on the countertop with no plumbing. NSF/ANSI 401 certified for microplastic and PFAS removal — the gold standard. Independent IAPMO testing confirmed 99.9%+ microplastic removal. Read more in our water filter guide.
Sub-micron pitcher filter (0.2 micron) certified to remove microplastics, lead, chlorine, and bacteria. Best budget pick for renters and small kitchens — no installation needed.
6-stage reverse osmosis under-sink system with a remineralization stage that adds calcium and magnesium back after filtration. RO membrane (0.0001 micron) eliminates microplastics, nanoplastics, lead, and PFAS. Best whole-kitchen pick.
Tankless reverse osmosis system with 600 GPD throughput. NSF 58 and 372 certified. No storage tank means no bacterial buildup over time. Smart faucet shows TDS reduction in real time.
Triple-stage pitcher independently lab-tested against 365+ contaminants including microplastics, PFAS, and pharmaceuticals. More expensive than LifeStraw but tested against a wider contaminant set.
Gravity-fed ceramic + carbon filter. No electricity or plumbing required — perfect for off-grid use, power outages, or RVs. Black Berkey elements remove microplastics, heavy metals, and pathogens. Ceramic Super Sterasyl filters add fine particulate filtration.