Unicel | Pac-Fab 150 GPM Replacement Filter Cartridge | C-7679This high performance cartridge is custom engineered for 150 GPM PacFab (Pentair My 150 Mytilus FMY 150) systems, offering a generous 150 sq ft of Nedacabondbonded spunbonded polyester media (4 oz yd) arranged in 148 pleats to ensure superior dirt holding capacity and improved flow efficiency. At 77 8 outside diameter 333 8 overall length with top and bottom end caps featuring 31 16 open hole dimensions, it maintains OEM compatibility with standard