This versatile air compressor accessory is compatible with a wide range of pneumatic tools and equipment. The aluminum tube with copper plating offers durability, while the stainless steel hose provides flexibility and resistance to wear. The non-return check valve ensures optimal performance by preventing air backflow. Features -Color:Golden -Material:Aluminum -Size:40.00X1.40X1.20cm/15.72X0.55X0.47in - efficiency: the aluminum tube air pump cylinder head check valve connecting small copper tube ensures efficiency for air compressors - design: the aluminum soft tube prevents backflow, maintaining clean and pure air -Sturdy and dependable: compact and lightweight design allows for easy replacement, ensuring high performance -Broad application: suitable for various environments such as factories, workshops, and laboratories, meeting different needs -Easy to install: simple to install. depressurize the air compressor before installation. replace if kinks or cracks are noticed to prevent accidents Package list: 2 x air compressor small tube