【(PU)POLYURETHANE HOSE】: This raw material is pure polyurethane(polyester). Hose ID is 3/8-Inch. SANFU pu reinforced air hose is ideal for indoor finishing work and it won’t cause damage to painted surfaces, wood flooring and trim. 【Performance】: Abrasion, oil, grease resistant. Light weight and perfect for the job(roofing). This air hose was very sturdy and reached the street with ease. It has installed the industrial coupler&plug. Bend restrictor reduce kinking and prolong the lifetime of hose. The 3/8” MNPT ending brass fittings can be repaired and reassembled by wrench. Coupler&Plug has a crimped-on compression ring and comes equipped with a 6-ball fitting. 【FLEXIBLITY&DURABILITY】: Brightly Green this pu reinforced air hose can reach to max working pressure 300PSI, max bursting pressure is 900PSI. It can through more air flow than 1/4inch Pu reinforced air hose. Temperature range is -10 to +150 Degrees Fahrenheit. Portable hose and easy to carry in your hand. 【Easy to use】: You can use this SANFU air hose at home, roofing, workshop, garage, do some painting, industry, pneumatic. 【Two years limited warranty】:Hose length:100ft can reach to the working place which you need. It can connect to Nailer gun, air blow gun, air spray gun, tire inflator gauge, air compressor and air wrench,doing some light painting. TIPS: Put the Coupler&Plug into hot water 7-10 seconds before reassembly. This raw material is pure polyurethane(polyether). Smooth surface of air hose.SANFU pu reinforced air hose is ideal for indoor finishing work and it won’t cause damage to painted surfaces, wood flooring and trim. The air hose is reinforced which makes it durable enough to withstand the kinks and twists that is associated with using a long air hose