System:3 Drain Adapter O-Ring clearance This is a Generic Filter

This is a Generic Filter Diaphragm Gasket G-348 replacement with dimensions for the Hayward Perflex EC65

If cyanuric acid is present in the water at sufficient levels

This Maryland Warning No Lifeguard On Duty (15 Years And Under) aluminum sign measures 18 x 24 inches

This ceramic pool depth marker is printed with 2 FT and has a smooth surface

you do not have to pull a difficult plunger or take your finger off a hole

System:3 Drain Adapter O-Ring clearance This is a Generic FilterThis is an o ring designed for System: 3 1 1 2 inch filter drain adapters on Sta Rite and Pentair filters. This o ring is identical to: O 83, Advance OV11332, Harmsco 930, Hayward SP4000Z1, Jacuzzi 13102306R, Pentair PacFab 274494, Sta Rite U9156, U9185, U9374, and Sta Rite SwimQuip 355051424. This o ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed the original manufacturer specifications.