Shurflo Swivel Nut Fresh Water Strainer 12 Pipe Inlet The Shurflo Swivel Nut Fresh Water Strainer features a 12 pipe inlet. Clean, clear economical strainers eliminate unnecessary repairs by keeping debris and other particles out of the pump. Screws directly on the pumphead. Transparent design shows when it is time to clean the bowl. Easy disassembly, cleaning and reassembly. 50-Mesh SS Screen Easy to Install to Pump Head Clear, Clean Plastic Construction Makes it Easy to See When Cleaning is Ne