JSA 08 Flow Control Straight Connector Seals Material :Oil resistant Rubber (NBR), Operating Pressure  -0.99 to 10 bar & Operating temperature     Max + 60° Min -20° , Media :  Filtered Compressed Air and Vacuum ,Tube Tolerance for   04 to 10mm tube 0.05mm, & 12mm tube 0.1mm. Recommended Tube Material   Polyurethane, Nylon (PA6), Rilsan (PA11/12), Teflon.For use with push-to-connect air fittings. 20 plug fittings per package.Inch and metric plug fitting sizes available. 
Air-Fluid Flow Control Straight Connector are the highest quality pneumatic fittings manufactured by AIR-FLUID Pneumatics.