Pentair 25230-0125S Filter Cartridge Replacement Sta-Rite Pool/Spa D.E. and Cartridge Filter Filter cartridge replacement Fits Pentair Sta-Rite Posi-Clear pool/spa cartridge filter model PXC125 Also fits Pentair Sta-Rite PXC pool and spa D.E. filter model PXC125 Used in 125-square feet filters Measures 13-1/2-inch length by 23-1/2-inch height by 14-inch width