8mm push-in pneumatic fittings 10mm quick-release pneumatic fittings 12mm pneumatic pneumatic fittings 6mm pneumatic fittings 10mm pneumatic fittings [Premium Quality]: Made of premium PU material, this straight air connector is sturdy, resistant to aging and abrasion, to ensure maximum strength and durability for long time use. [Push-in design]: Simple push-in design to connect to the tube and ensure a secure connection. This push-in pneumatic connector does not require any additional sealing. Easy to install, and can be done in a short time Good Sealing Performance: Ptfe resistant adhesive coated wire, with good sealing performance. 3 different sizes: These pneumatic connectors contain 30 pieces fittings, 10pcs 10mm pneumatic fittings, 10pcs 8mm pneumatic fittings, 10pcs 6mm pneumatic fittings Res High pressure resistance: high pressure resistance, no triggering, straight pneumatic connector quick connect that can withstand stronger and stronger pressure without triggering, easy