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These Radium Engineering replacement FKM (Viton) O-rings are sized for 4AN ORB fittings and sold in a five-pack. The chemical- and heat-resistant material offers reliable sealing for fluid systems that use 4AN ORB ports. Suitable for maintenance and rebuilds, these O-rings help prevent leaks when properly installed on compatible fittings and provide a durable replacement option for service work.
Radium Engineering O-Ring 5-Pack 4AN FKM
