RV MARINE WATER PUMP STRAINER FILTER for SHURFLO 255-213 255-313 - - Amazon.com
SHURflo® 255-325 - 50-Mesh Pump Filter (1/2" QA Male to 1/2" NPT Female) - CAMPERiD.com
Water Pump Strainer Filter, Compatible with Shurflo Swivel Nut 255-315, 1/2 Inch Fitting with 50 Mesh Stainless Steel Screen and 6.6 FT Tape: Amazon.com: Industrial & Scientific
Shurflo Water Pump Filter, $37.95 | Whitworths Marine
Shurflo 255-215 Swivel Nut Strainer Filter X 1 2 Mip Threads - 255-215 - Water Filters - Low &