Sonar LP One-Way Inline Check Valve - 9/16" Male to Apeks QD

The Sonar Low Pressure (LP) 9/16 inch UNF Male to Apeks/SeaQuest Male Quick Disconnect (QD) One-Way Inline Check Valve prevents the influx of water when the regulator hose is disconnected.

Used with switch blocks or manifold blocks.

The 9/16"-18 UNF Male end of this low pressure adaptor connects to a 9/16"-18 UNF Female fitting, like the end of a standard low pressure regulator hose.

The other male end of this adaptor accepts the female end of a Apeks Octo Plus, SeaQuest AirSource (including 1, 2 and AirSource3 QD), Zeagle Octo-Plus, Aqualung Air Mic, Mares Air Control, Beauchat Venturi, US Divers Air Mic, Oceanic Air XS and Aeris AirLink and compatible BCD/Jacket/Inflator/Octopus quick disconnect low pressure hose.

NOT compatible with CEJN fittings.

• Length: 51 mm
• Diameter: 19 mm
• Durable marine grade chromed brass construction
• Low pressure only - below 200 psi
• Factory cleaned - Nitrox ready