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homeowners
455 PPM calibration solution in single-use pouches for field-ready precision
Factory OEM Part Direct Replacement
Each pouch clearly dated so you know exactly when it was manufactured
It works in under-sink reverse osmosis systems (typically as a post-filter or polishing stage)
Watts (WCBCS20) 20"x2.5" Coconut Carbon Block 5 Micron Filter Brand_Watts Premier homeownersWatts Premium Filtration WCBCS20 20"x2. 5" Coconut Carbon Block Filter Professional grade 5 micron carbon block cartridge engineered for superior chlorine reduction and whole house performance 100% Coconut Shell Carbon Up to 99% Chlorine Reduction 5 Micron Filtration FDA Grade Materials The Watts WCBCS20 delivers what granular activated carbon can't: thick wall coconut shell carbon block construction that won't channel, maintains lower pressure drop,
