NAMCO PROLINE Cartridge Filter O-ring Replacement MODELS FC075, FC100, FC150 NAMCO PROLINE Cartridge Filter O-ring Replacement Fits: MODELS FC075, FC100, FC150 You get #28, #5, #3, and oring that fits # 30 in diagram plus 1 water based lube pack Quality Aftermarket TORK replacement parts be sure you check your mfg# prior to ordering to avoid buying wrong kit