Parker X 28-8-6 1/2" x 3/8" Inch Barbed Brass Male Connector Pneumatic Fitting | eBay
Pneumatic Push-to-Connect Fittings | Parker
Parker W169PLP-4-1-pk10 Prestolok PLP Push-to-Connect Instant Fitting, Tube to Pipe, Nickel Plated, Push-to-Connect and Male Pipe 90 Degree Elbow Swivel, Brass, 1/4", 1/16" (Pack of 10): Amazon.com: Industrial & Scientific
Parker 371PTC-6-4-4 Air Brake D.O.T. Composite Push-to-Connect Fitting, PTC, Tube to Pipe, Push-to-Connect Run Tee, 3/8" and 1/4": Amazon.com: Industrial & Scientific
Parker Hannifin 369PTC-10-8 Male Elbow Swivel 90 Degree Push-to-Connect Composite Fitting, 5/8" Push-to-Connect Tube x 1/2" Male Swivel: Amazon.com: Industrial & Scientific