Watts-RC-W-20-50 Empty Refillable Canister Cartridge White Std 20 in Granular Activated Carbon Inline 🔧 Pro Tip: Monitor TDS

🔧 Pro Tip: Monitor TDS levels before and after the filter to gauge resin exhaustion

Higher hardness levels mean more frequent replacement

Standard commercial

When used as final polishing stage after reverse osmosis

Watts-RC-W-20-50 Empty Refillable Canister Cartridge White Std 20 in Granular Activated Carbon Inline 🔧 Pro Tip: Monitor TDSWatts RC W 20 50 Empty Refillable Canister Cartridge Standard 20 inch white canister for custom media applications FDA Polypropylene 50 Micron Retention 2. 5" x 20" Screw Cap Design The Watts RC W 20 50 is a refillable filter canister designed for users who need flexibility in choosing their own filtration media. Built from high grade FDA listed polypropylene with EPDM end cap gaskets, this 2. 5 x 20 inch cartridge accepts granular activated carbon,