... , please dilute with 1-8 times of water.3, Spray to air conditioning shell, waiting for 1-2 minutes, can remove dirt with ... strike strainer, spray Coil Safe, then use water to wash, and airing to fit on.6, Start operating after waiting for 10 ... to 15 minutes, sewage with condensed water through the pipe discharge outdoor. Coil Safe Indoor air conditioning cleaning fluid