Ingersoll-Rand P/N X1434T55 finned copper tubing. .035 wall thickness, 44" long, 1/2" outside diameter, B46 swivel nut, inverted flare, 3/4" steel uns thread on both ends. This is made by Ingersoll-Rand but can be used on any compressor for cooling. I accept Visa, MC, American Express or Sign up for PayPal; the fast, easy, and secure way to pay online. Be sure and check out my