Pentek - RFFE20-BB - 20" x 4.5" Radial-Flow Iron Reduction Filter UVBB Series so this cartridge has a

so this cartridge has a finite lifespan even if flow remains clear

PVC Tubing Application Auto Flush Valve Drain Line Connection

and 8500 control heads

US Filter Works

Why Dual-Gradient Design Outperforms Standard Cartridges

Pentek - RFFE20-BB - 20" x 4.5" Radial-Flow Iron Reduction Filter UVBB Series so this cartridge has aPentek Specialty Filtration RFFE20 BB Radial Flow Iron Reduction Filter 20" x 4. 5" Big Blue cartridge engineered to remove dissolved iron and eliminate rust staining without adding chemicals to your water supply Reduces up to 3 ppm dissolved iron Eliminates orange & brown stains Chemical free operation Safe for drinking water The Pentek RFFE20 BB uses radial flow media technology to oxidize and remove dissolved ferrous iron from well water, city