APEC Water ULTIMATE Series FILTER-SET is for RO-45, RO-90, RO-PH90, RO-PERM, RO-PUMP, and compatible with all 10" standard industry reverse osmosis water filter system .
Includes (1) sediment and (2) carbon block filters to protect and extend the life of the RO system
1st stage Polypropylene sediment filter to remove dust, particles, and rust