Zodiac R0446300 Backplate O-Ring Replacement for Select Zodiac Jandy Pool and Spa Pumps Backplate O-ring replacement Fits Zodiac Jandy Stealth, PlusHP, FloPro, Water Feature, WaterFall, MaxHP series pumps models SHPF/SHPM, PHPF/PHPM, FHPM, WFTR, SWF, MHPM Also fits Zodiac Jandy ePump variable speed pump models JEP