Steel Male Festo connector, For Pneumatic Connections, Size: 1/2 inch
KSV6-12 - Pneumatic systems (Festo) - Affiliated Control Equipment Inc.
Festo 153148 QSY-4 Push-Y Connector Minimum Order Requirement 10 / Order in Multiple of 10: Amazon.com: Industrial & Scientific
KDVF-32-B - Pneumatic systems (Festo) - Shepherd Controls
Festo 153319 QSM-M7-4-I Push-in Fitting, Nickel Finish, 3.1 mm Inside Diameter Minimum Order Requirement 10 / Order in Multiple of 10: Amazon.com: Industrial & Scientific