Pentair PLM Filter System 1-.5 in. NPT Plug || 27001-0022
This plug is designed to use with Pentair Sta-Rite PLM, System 2 and 3 modular media pool/spa cartridge filter models S7M120, S7M400, S8M150, S8M500, PLM100, PLM125, PLM150, PLM175, PLM200, PLM300 and also compatible with Pentair Sta-Rite PLD, System 2 and 3 modular media pool/spa D.E. filter models PLD50-DE, PLD70-DE, PLDE36-DE, PLDE48-DE, PLDE70-DE, S7D75, S8D110. Also fits Pentair Sta-Rite System 3 pool and spa sand filter models S7S50, S8S70. Comes with 1-1/2-inch NPT. Measures 2-1/8-inch length by 1-1/4-inch height by 2-1/8-inch width.