Tri-Con I-400 Hydro-Air Wash Gun 11809 Tri-Con I-400 Hydro-Air Wash Gun Print 11809 Tri-Con I-400 Hydro-Air Wash Gun The I-400 Hydro-Air Wash Gun from Tri-Con is an ergonomic coarse spray wash gun with air injection used for rinsing during the liquid penetrant inspection process. This nozzle permits faster rinsing with less water. Meets ASTM E1417. A30L: Ergonomic cone spray wash gun, 1/4" FNPT inlet. DM100: Hydro-Air wash gun. Water 3/4" GHT, air 1/4” FNPT inlet. DM200: Hydro-Air wash gun with air trigger. Water 3/4" GHT, air 1/4” FNPT inlet. Request for information