Aeromotive's hose barb to male NPT fittings feature a hose barb on one end and male NPT threads on the other. They're CNC-machined from 6061-T651 aircraft-grade aluminum alloy and protected by a Type II bright black dip anodized finish. Aeromotive hose barb to male NPT fittings make connecting your rubber hose to NPT a quick, simple, leak-free installation.