Rubber Scubas Diving Low Pressure Hose for 1St Stage Gauge Breathing Regulator Features: OOTDTY Suitable for most head low pressure port. Hoses make from rubber, wear resistance and enduring, preventing corrosion from seawater. Professional chromes plated coppers fittings prevent leaks and is crushes resistant. Working pressure is 350PSI, Easy to install and use. Special explosions proof designs to prevent underwater pipe bursting. Specifications: Materials: rubber and chromes plated coppers Length: 4inch/6inch/9inch/15inch/22inch/24 inches/26inch/30inch/32inch/40inch/28inch Package Includes: 1pc Low Pressure Hose Note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color. _x000D_ _x000D_ _x000D_