This is a Valve to Filter Tank O-Ring for Hayward Pro Series-S144T filters and MaxFlo II pumps 2007 and earlier. Fits Hayward Pro Series Filters models S270T2, S310T2, S360T2, S144T, Pro Series Plus S311SX, S311SXV, S360SX and Pro Series Plus Sand Filters.
This o-ring also is a replacement for these o-rings: Hayward GMX600F, Jacuzzi 47046402R, 47036405R, 47036447R, Marlow 4480200.
This Hayward part is manufactured by a Poolweb partner to meet or exceed original manufacturer specifications. This item is fully compatible and interchangeable with Hayward part # GMX600F.
