... gas 360 degree spray cleaning nozzle Production features:1. Spray pattern is Hollow cone and the spray area appears rings. Spray angle ranges ... . Install description:1.The thread of AA hollow cone nozzle has 1/8, 1/4, 3/8, 1/2 ... requirement.2.If you need the AA hollow cone nozzle to be welded on the pipe, YueBOsi can provide ... reactions17.Deal with other heat exchange 360 degree spray cleaning nozzle