This air-to-water intercooler fitting adapts -12 ORB thread to a 3/4" push-on hose barb. It is made from 6061 aluminum and is black anodized for a durable finish. The threaded end is sealed with a Viton™ O-Ring.Like all of our products, this air-to-water intercooler fitting includes Mishimoto's Lifetime Warranty.