Push to Connect Cooling Kit with flow control for our 2" & 3" Stainless Reflux Moonshine Stills and Columns This is a cooling kit for our 2" & 3" Stainless Reflux Columns. The moonshine still boiler and moonshine still column is not included. Use the blue hose for your cold water line, and the clear hose for your hot water line. These cooling kits will work for hose barb connections that are 1/2" ID Parts List: 12 feet of 3/8" Tubing (6 feet of clear, 6 feet of blue tubing) 12 inches of 1/2" Clear Tubing (2) 3/8" Push to Connect Flow Tees (1) 3/8" Push to Connect Union Y (1) 3/8" Push to Connect Union Tee (2) 3/8" Male Straight Pipe Fittings The tubing you will receive could be orange, blue or clear.