Function and design Designed for BCD inflation, deflation, and buoyancy adjustment airway, this inflator hose is a reliable choice for diving. Easy to use The BCD tube is scientifically and reasonably designed, delivering fast inflation and deflation so you can quickly adjust your buoyancy and stay underwater. Adjustable strap system Includes 6 straps and zip ties for convenient onthefly adjustments to meet your various needs. Material and durability Made of rubber material, it is flexible, wear resistant, soft, and durable for regular use. Use scenarios While diving, quickly inflate or deflate to achieve and maintain neutral buoyancy at different depths. In changing water conditions, make rapid buoyancy adjustments to stay steady and conserve energy. On the surface or during predive setup, use the strap system to adapt to different BCD configurations or gear setups.