Reverse Osmosis Systems

Aqua Flo 475QC-4 4-Stage RO Replacement Filters

The Aqua Flo 475QC-4, model 20010023, is a 4-stage under-sink reverse osmosis drinking water system designed for residential single-faucet applications. It uses quick-change twist-lock cartridges to make routine filter replacement easier than traditional filter housings. This system uses Aqua Flo’s innovative quick-change cartridges, making filter replacements fast, clean, and hassle-free, no tools required. It’s ideal for households seeking an efficient alternative to reverse osmosis with minimal wastewater and easy maintenance.

Replacement Filter Info

Sediment Filter ( 65010086 ) - Replace every 12 months or as needed

Carbon Block Filter ( 65010088 ) – Replace every 12 months or as needed

RO Membrane ( 70010014 ) – Replace every 12 months or as needed

Carbon Block Filter ( 65010088 ) – Replace every 12 months or as needed

Helpful Filter Information

Not all filters have the same replacement schedule. Replace the RO membrane filter every two years. Replace all other filters every 6-12 months. Help keep your system sanitary by never using filters longer than 12 months, except the RO membrane filter, regardless of how much water you use.

Manuals & Instructions