Amazon.com: PL12-01 Push to Connect Fitting, 90 Degree Male Elbow, 12mm Tube OD x G1/8" Thread, Pneumatic Air Push Fit Lock Fitting (Pack of 10) : Industrial & Scientific
SharkBite 1/2 in. CTS ProLock Plastic 90-Degree Push-to-Connect Elbow Fitting (10-Pack) PSEI0320E - The Home Depot
3/8 Hose x 3/8 NPTF Male - Male 90 Degree Elbow Swivel - Brass Push Fit Brake | Red Shed