Ensure water-tight sealing with the Aquatech Replacement O-ring Set - Delphin Sport Housing Series Front and Back. This set features a silicone O-Ring and the Port-Based Compression Seal O-Ring. This set is easy to maintain, but it must be kept from dirt and sand.
Manufactured to the precision tolerances required to hold a pressure seal on your housing and made of silicone material, it provides the means by which a watertight seal is formed. Silicone O-rings are easy to maintain. It is important to keep them free of dirt and sand, but O-Ring grease is not required.