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The Express Water EZRO5 is a countertop reverse osmosis system that hooks up to a standard faucet with quick-connect tubing and needs no plumbing work or under-sink space. It runs four stages, is certified to NSF/ANSI 58, and the maker says it removes up to 99.99% of major contaminants including lead, chlorine and fluoride. Output is modest at roughly half a gallon to a gallon an hour, so it suits renters and small households topping up drinking water rather than filling pitchers fast. Against under-sink RO systems it trades flow rate and capacity for portability and simple setup; against pitcher and faucet filters it filters more broadly but takes up counter space and needs cartridge changes every six months.
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Lowest price we've seen: $149.99 on Nov 13 at Arbor. Tracked across 5 stores since Nov 13.
Rated 4.2 out of 5 from 81 ratings. Owners tend to like the straightforward faucet hookup and the improvement in taste, while the slow flow and dependence on water pressure come up as the main frustrations.
The EZRO5 is a portable, compact countertop reverse osmosis system.
Setup uses a 4-point installation and a quick-connect tubing system.
The filters need to be changed every six months.
