Exair's 1/2 NPT Siphon Fed Atomizing Spray Nozzle atomizes fluids in a round spray pattern in areas where no liquid pressure is available and heavy application of liquid is needed, The corrosion-resistant, type 303SS nozzle draws liquid into the airstream and mixes it internally, providing up to 24" of suction height. The 1/2 NPT spray nozzle provides high liquid flow up to 68GPH in a 6" diameter round pattern. Also available in a patented no drip version.