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General Wire CST2 Cold-Shot Pipe Freeze Kit, Small, Black and Orange
Product Description No need to drain water lines, sprinkler systems, or hot water systems before cutting pipe or tubing. The Cold-Shot keeps pressurized systems operating while you make repairs. It freezes all type of liquids in steel, copper, cast iron, aluminum, and plastic pipes ranging from 1/8 to 2 (10 mm - 60 mm) using carbon dioxide (CO2). Dip-tube type cylinders are available at all welding supply houses. The Cold-Shot is faster and less expensive than refrigerator-type units; faster and uses less CO2 than bag-type units. In five minutes you're ready to go to work on copper tubing, just three minutes for cast iron pipe. - 

Price is $685.00
Price: $685.03