Best Seller | 10Pcs Straight Push in Pneumatic Air Quick Fittings Connector for 12mm Tube Hose It is designed for using to connect with polyethylene nylon and PU tubing. Simple push in design for connecting to the tube and provide secure connection requires no extra sealing. Elliptical release ring on two ends facilitates pneumatic installations... more | | $16.49 FREE shipping go to store |