Fasteners -PU Recoil Air Hose Spring Tube Compressor Pop-Up Joint 1/2"" Highlights Generic Brand Hose Spring Tube Compressor Pop-Up Joint 1/2"" pu recoil air Description: Environmental protection: 100% combustion, no stimulation Stability: good chemical stability, aging resistance, ozone resistance Water resistance: bubble pore structure closed, non-absorbent, moisture-proof, good water resistance Corrosion resistance: corrosion resistance to seawater, oils, acids and alkalis, etc. Antibacterial, non-toxic, tasteless, no pollution Specification: Material: Plastic Quick Connect Joint Size: Approx 13mm Length: Approx. 6 meters / 20 feet Tube diameter: approx. 8mm / 0.3 inch; Inner diameter: about 5mm Package includes: 1x compressor spring tube