Initially, I just purchased online, but ordered the wrong part. I called and talked to a real person, who helped me order the correct part and offered a reasonably priced return shipping label. That was a welcome change from other recent online purchase interactions.
Brand new RapidAir union elbow push lock fitting, part #50300 for Rapidair 1/2" outside diameter nylon air tubing. RapidAir fittings are designed to make installation fast and easy. Simply push the tubing firmly into the fitting until seated. To remove the tubing, push down on the lock collar and pull out the tubing. This 90° elbow is designed to be used with Rapid Air 1/2" outside diameter 3/8" inside diameter nylon air tubing.
Specifications:
Part Number: 50300
Push Lock
90° Elbow
For Use With 1/2" OD Rapid Air Nylon Tubing