Our rugged pushes to connect fittings are designed for all pneumatic applications. With thread sizes from 1/8" NPT to 3/8" NPT with all functions, including straight, elbow, and "Y". Both thread and tube to unions. Great for pneumatics and automated equipment, medical, dental, semiconductor and test equipment. Anywhere you want to connect tubing. We stock many common sizes. If you don't see the size or configuration you want, please contact us for a quick no hassle quote.