UNIWELD UNIWELD NITROGEN SLUDGE BLASTER KIT 40003UW

Uniweld Sludge Sucker/Blaster Kit. Nitrogen R1563 (5-175 PSI). The preferred gas for the Sludge Sucker is Nitrogen because it's a dry gas that has multiple uses: purging an A/C&R system, leak testing a refrigerant line, calibrating pressure controls, cleaning a condensate drain line, cleaning coils, inflating tires, unclogging a sink, operating impact tools and much more.