The Hayward SX360Z1 O-ring is specially designed for use with Pro Series(TM) S210S, S244S, S310S, and Pro Series (TM) Plus S311, S360 Sand Filters, Micro Clear(TM) Vertical Grid DE Filter and Super Star Clear (TM) C2000, C3000, C4000, C5000 Cartridge Filters. This high-quality O-ring is made to exact specifications from durable materials for a perfect fit and optimum performance. It has a cross-section of 3/16" and an inside diameter of 2-3/4". This O-ring is a genuine Hayward replacement part and is essential for proper filter operation.

• Cross Section - 3/16"
• Inside Diameter - 2-3/4"
• Genuine Hayward replacement part

Fitment guidelines:
For use with Pro Series (TM) S210S, S244S, S310S and Pro Series(TM) Plus S311, S360 Sand Filters, Micro Clear (TM) Vertical Grid DE Filter and Super Star Clear (TM) C2000, C3000, C4000, C5000 Cartridge Filters.

Additional Information:
Alternate part numbers - 0511998, 31-150-3204, 90-423-5335, ALDO-246-0, APCO2431, HAY-051-1998