Interstate Pneumatics HA46-03EBS Red Rubber Hose 3/8 Inch x 3 Feet 300 PSI 4:1 Safety Factor Hose Inner Diameter: 3/8 inch | Fittings: 1/4 inch NPT Male Brass Fittings Length: 3 feet | Color: Red Working Pressure: 300 PSI Temperature Range: -40 F to 180 F Safety Factor: 4:1 | Burst Pressure: 1200 PSI