Valve/Tank O-Ring

The Hayward Pro Series Sand Filter Tank O-Ring, GMX600F fits between the bottom of the multi-port valve and the tank that holds the sand to form a water tight seal. Details: Hayward Part # GMX600F Genuine Hayward part Inner diameter measures 6-3/4" Outer diameter measures 7-1/8 in Fits the following pool sand filters: Hayward Pro Series S164T, W3S164T Hayward Pro Series S166T, W3S166T Hayward Pro Series S180T, W3S180T Hayward Pro Series S190T W3S190T Hayward Pro Series S210T, W3S210T Hayward Pro Series S220T, W3S220T Hayward Pro Series S230T, W3S230T Hayward Pro Series S244T, W3S244T Hayward Pro Series S245T, W3S245T