The Hayward GMX600F valve/tank O-ring replacement is the perfect replacement part for your Hayward Pro Series sand filter model S144T and also fits the Hayward multiport valve model SP071620T. It is a factory original replacement, so you can rest assured that it will fit your pool filter perfectly. This o-ring has a cross section of 3/16" and an inside diameter of 6-3/4". It is made from the highest quality materials, making it highly durable and easy to install.

• Made from highly durable materials
• Easy to install
• Cross Section - 3/16"
• Inside Diameter - 6-3/4"id

Fitment guidelines:
For use with Pro Series(TM) S270T2, S310T2, S360T2, S144T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T, S164T, S166T, S210S, S244S, S310S Sand Filter, S245T, S190T Sand Filter, Pro Series(TM) Plus S311SX, S311SXV, S360SX Sand Filters

Additional information:
Alternate Part Numbers - 35-150-3571, HAY-051-1867, HPPGMX600F