This is a Diffuser O-Ring replacement designed for EQ-Series Commercial Pool and Spa Pumps. Measurements are 3/16 thick x 4-7/8 OD inches. This o-ring is identical to: O-74,Ampro 60057, Lomart/Prest Metal 53058, Pentair/PacFab 35450, Sta-Rite/Swimquip 355051338.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed the original manufacturer specifications.