Pentek - RFC20-BB - 20" x 4.5" Radial Flow Carbon 25 Micron Filter Brand_GE Desal and herbicides from every tap

and herbicides from every tap in your home

Particulate filtration

5" Big Blue housing systems

allowing the filter to maintain consistent flow rates while achieving fine filtration

🔧 Pro Tip: Always flush the CBC-10 for at least 5 minutes after installation to clear carbon fines

Pentek - RFC20-BB - 20" x 4.5" Radial Flow Carbon 25 Micron Filter Brand_GE Desal and herbicides from every tapThe Pentek RFC20 BB is a 20" x 4. 5" radial flow carbon filter engineered to deliver high capacity chlorine and taste removal with minimal pressure drop and virtually no carbon fines release. With a 70,000 gallon capacity and 25 micron filtration, this GAC cartridge is built for whole house, well, and commercial applications where flow rate and water quality both matter. SPECIFICATIONS Pentek RFC20 BB Technical Details Model Number RFC20 BB (155247