This is an o-ring designed for Jacuzzi P/ERC PH/UPH RC/RTC Square Ring Case. This o-ring is identical to O-264, Jacuzzi 47-0466-02, Baker-Hydro (Watrco) 39404-0, Marlow 39404-00 Mardur Cover Gasket.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed specifications.