Empty Refillable Cartridge 20" x 4.5" Clear 000 mg/L Water Softening Filter consider adding a water softener

consider adding a water softener downstream to manage the calcium added during neutralization

The 50-inch diameter provides exceptional brine storage volume

Service life varies with inlet TDS and flow rate

Replacing Your QCRO Carbon Filter

Empty Refillable Cartridge 20" x 4.5" Clear 000 mg/L Water Softening Filter consider adding a water softenerThe Watts RC C BB 20 50 gives you complete control over your 20 inch Big Blue filtration setup by letting you fill the cartridge with whatever media your water needs. This clear, refillable housing holds up to 155 cubic inches of custom media and works in any standard 4. 5" x 20" filter housing. SPECIFICATIONS Watts RC C BB 20 50 Empty Refillable Cartridge Manufacturer Watts Model Number RC C BB 20 50 Dimensions 20" x 4. 5" Housing Type Standard Big