Traps and Accessories Josam's traps and accessories include water traps, trap seal primer valve, adapters, air gaps, and fresh air inlets. Josam also offers a Trap Seal Insert which is a waterless trap seal with four flexible silicone sealing ribs that ensure easy installation into strainers and drain openings that have variations in size. Filter by Water Traps Trap seal primer valve Adapters Air Gaps Fresh Air Inlets Pipe Sleeves 88350 – Spigot Adapter: Cast Iron, No-Hub by Threaded Connection, 6" Long. 88400 – Spigot Adapter: Cast Iron, No-Hub By No-Hub Connections, 6" Long 88550 – Hub Adapter: Cast Iron, Hub Inlet w/Female Threaded Outlet 88560 – Hub Adapter: Cast Iron, Hub Inlet w/Male Threaded Outlet 88600 – Reducing Hub Adapter: Cast Iron, Hub Inlet w/Male Threaded Outlet