R&S 437PS This o-ring strainer cover is designed to use with Hayward TriStar pump
series SP3200EE, SP3200X and SP3600 models SP3205EE, SP3207EE, SP3210EE,
SP3215EE, SP3220EE, SP322063EEV, SP3230EE, SP3250EE, SP323063EE,
SP3205X7, SP3207X10, SP3210X15, SP3215X20, SP3220X25, SP3225X30,
SP36075EE, SP36120EE and also compatible with Hayward EcoStar pump
models SP3400VSPVR, SP3400VSP. O-Ring for: Dura-Jet Spa Pump - JS Series Water ace RSP Series Pump Lid O-ring Zodiac Jandy MHP & MHPU Pumps R0338900 Waterco Hydro Storm Plus Pool Pump Waterco SupaTuf Series Self Priming In-Ground Pool Pump Waterway Workman & Champion Pumps Marlow Argonaut Pumps Material: Nitrile Durometer 70A Made In USA Complete Policy O-Ring problems: Send us your old O-Ring that worked and we will find you the proper O-Ring.