Many nozzles are good for spraying liquids, but for a positive drop-less after shut-off , you need Type # 4023, This nozzle is ideal to the industry and is the solution when a positive shut off with absolutely no after drip is needed. The #4023 nozzle is the perfect solution when after drip could damage or destroy things beneath the nozzle. Chemicals, insecticides and even plain water, if allowed to drip, can foul the environment and kill or injure poultry birds, livestock, seedlings or industrial materials. This exclusive design produces a fine mist with a precisely controlled flow rate and spray angle, but also with a liquid cut-off at the orifice, while maintaining supply pressure in the system. This assures sputter free start ups and no entry of air into the system during the off cycle. With this nozzle there is no need to install costly individual in-line check valves. Low flow, fine atomizing humidifying nozzles for misting systems, pest control spray for home, agriculture and industry. Standard flow rate is 0.59 GPH @ 100 psi to 1.33 GPH @ 500 psi , water. Spray angle: 70degree. 4023 produces a fine mist with a precisely controlled flow rate at 70° spray angle, to prevent your poultry birds, livestock, seedlings or industrial materials from harmful chemicals, insecticides and water. Ideal spray for pest control in agriculture industry & home also.