Detailed Product Description Fog nozzle features Direct impingement pin Drylock thread design 1/8 x 27 pitch Bridge alignment frame 1/2 6 point hex Stainless steel pin - 410 Rockwell hardness 79 20 micron resin impregnated Filter insert; Yd.18 are suitable for applications requiring good Atomizing of liquid at lower pressures, or when quick heat transfer Or effective airborne drop impingement is required. This series features large and unobstructed flow passages, which Minimize clogging. They are used for applications such as: Gas and water cooling, Washing gas and air to remove fly ash and other products of Combustion, treating metal, product degreasing, brine spraying, Water aerating, suppression and control of fugitive dust.