Pentek - RFC20-BB - 20" x 4.5" Radial Flow Carbon 25 Micron Filter 5 Micron1955 Pre-Filter Service

Pre-Filter Service

and replace Zobell's calibration solution every 90 days as it degrades with air exposure

450 GPG total capacity

or when calibration no longer holds

01 pH Accuracy at 25°C ✓ Premixed & Ready to Use ✓ 20 Single-Use Pouches

Pentek - RFC20-BB - 20" x 4.5" Radial Flow Carbon 25 Micron Filter 5 Micron1955 Pre-Filter ServiceThe 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