Omniswivel regulator swivel Condition is New. Omni Swivel is dedicated to manufacturing the finest and highest quality diving products on the market. All of Omni products are made in the USA with over 40 years' experience manufacturing diving related products. Tired of your second-stage hose tugging at your mouth when you turn your head? Using a swivel adapter can eliminate this annoying problem. Your second-stage hose will have a lot more maneuverability when attached to a swivel. The Standard Omni Swivel adapter is a 360°-degree rotating adapter that makes hose connections more comfortable. By allowing your low-pressure hose to swivel makes for a comfortable connection from your tank. Even just turning your head becomes a more simplistic task. You can also say goodbye to jaw fatigue because your constant struggle with hose tugs ends with the Omni Swivel. It connects a standard low-pressure 9/16 -18 threaded regulator hose to a standard 9/16 -18 threaded 2nd stage. Easy to install and intended for low pressure use only Below 200 psi (13.8 bars). Swivel measures (L x O-Dia.) 3" x 1" (7.6 cm x 2.54 cm), comes factory equipped with Viton O-rings, so it's made with 02 compatible materials. $45 + Shipping