1/2″ M NPT x 1-1/4″ Hose Barb Cadmium plated steel hose barb fitting for high pressure endurance. Hex base allows for standard wrenches to be used during installation. The hex base is large enough to allow accessory ports to be added. Compact design tapered bore for smooth water deliver. Barbs are long enough to allow two clamps to be used if necessary. King nipples assemble directly to the pump no adaptors needed. Barbs are designed to prevent hose slippage and fluid leaks.