• Replacement O-Ring 

• Strong Rubber 

• Replacement for MicroClear Filters 

The Hayward Grid Union O-Ring - DEX2400Z5 - O24 - 139-7470 is a replacement O-ring for Hayward pumps. This pool O-ring is designed with a strong rubber that will resist breaking and will prevent leaking. This Hayward O-ring is an effective replacement for MicroClear Filters. The Hayward 139-7470 is a durable, long-lasting O-ring replacement for a variety of Hayward pumps.