Hollis SMS Katana 2 Dual – Technical Sidemount SystemHollis SMS Katana 2 Dual Technical Sidemount System with Redundancy The Hollis SMS Katana 2 Dual takes the proven Katana 2 design and adds dual bladder redundancy for advanced technical divers. Engineered for cave, wreck, and deep diving environments, it provides enhanced safety, buoyancy control, and durability while maintaining a streamlined sidemount profile. Dual Bladder System Redundant buoyancy for added safety in technical and overhead
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Hollis SMS Katana 2 Dual – Technical Sidemount System