GMX600F O-263 O-Ring Replacement for Hayward Pro Series Sand Filters, Compatible with S140T S144T S164T S166T S180T S190T S210T S220T S244T S245T S270T S310T, Nitrile Rubber Seal Gasket(6 Pack)

["Compatible with Hayward Pro Series Sand Filters: Designed as a replacement for GMX600F / O-263 O-rings used in Hayward Pro Series Sand Filters. Compatible with S140T, S144T, S164T, S166T, S180T, S190T, S210T, S220T, S244T, S245T, S270T, S310T, S311SX, S311SXV, S360SX and additional compatible models","Exact Size for Proper Fit: Each O-ring measures approximately 7.1 inches outside diameter, 6.70 inches inside diameter, and 0.2 inches thickness. Manufactured to match original size specifications for routine replacement and maintenance of compatible pool filter systems","Premium Nitrile Rubber Construction: Made from high-quality nitrile rubber (NBR) for flexibility and durability. Designed to withstand regular exposure to pool environments while helping maintain reliable sealing performance during","Helps Maintain Filter System Performance: Worn or flattened O-rings may affect sealing effectiveness. Replacing old seals as part of routine maintenance can help maintain proper filter operation and support consistent water circulation and filtration performance","Value 6 Pack for Ongoing Maintenance: Includes 6 replacement GMX600F O-rings, providing multiple spares for future servicing. Convenient for seasonal maintenance, preventive replacement schedules, and keeping backup seals available when needed"]