3-Stage 10" x 2.5" Water Filter Replacement Cartridge Pre-Filter Set for APEC Essence & Ultimate Series, ROES-50, RO-90, RO-PH90, ROES-PH75, RO-Hi, WFS-1000, RCC7AK, US31 & Standard RO Systems

Includes 1 sediment and 2 carbon block filters to protect and extend the life of the RO system. 2.5"OD x 10" height universal standard size, fits most cartridges for under-sink reverse osmosis water filtration system

1st stage 5 micron polypropylene sediment filter removes dirt, dust, silt, rust, particles, and other suspended solids. 100% pure polypropylene depth filter with three gradient density layers provides exceptional dirt-holding capacity

2nd & 3rd stage 5 micron carbon block filters to remove chlorine, taste & odor. These carbon blocks are great for displacing traditional GAC (Granular Activated Carbon) and PAC (Powdered Activated Carbon) filters in application where high chlorine reduction is needed

Universal Pre-Filter Set: Compatible with APEC ESSENCE and ULTIMATE Series for model ROES-50, ROES-75, RO-45, RO-90, RO-PH90, RO-PERM, RO-PUMP, RO-Hi, WFS-1000, ROES-UV75, ROES-PH75, ROES-PHUV75, ROES-UV75-SS and other 10" standard size under counter reverse osmosis systems

Replacement filter for FILTER-SET-ES / ?FILTER-SET-ESX2 / FILTER-SET / FILTER-SETX2, 1-Spring F3CTO / F3-NC, and other standard 10" x 2.5“ water filter cartridge

Please note the pre-filter set does not reduce Total Dissolved Solids (TDS) like an RO membrane. RO membrane does not included in this pack

The pre-filter set's lifespan up to 15,000 gallons (depends on water quality), recommended to be replaced every 6 months for optimal performance

The pre-filter set provides essential filtration for your water system, effectively removing contaminants and ensuring clean, safe, and great-tasting water for your home

Each filter cartridge is individually wrapped, ensuring they are protected during transit and storage