40 PCS 6mm 1/4 inch Air Fittings Air Hose Pneumatic Plastic Push Connector 4 Air
10 x 1/4" Straight Pneumatic Fittings. Easy to Use Simple plug-in connector, very convenient to use, just push the hose or tube into the connector, it is not easy to fall off after connecting, press the release cap to release the trachea.