Aquasana Claryum 3-Stage Max Flow vs Multipure Aquaversa

Only the Aquasana Claryum 3-Stage Max Flow is certified to reduce PFAS. Verdict: the Aquasana Claryum 3-Stage Max Flow for broader certified protection (8 vs 7 of the contaminants we track); the Multipure Aquaversa if running cost matters more. Replacement filters and water for 2 people cost about $184 a year on the Aquasana Claryum 3-Stage Max Flow and $95 on the Multipure Aquaversa; they cost $450 and $620 to buy.