Push to Connect Cooling Kit with flow control for our 4"Copper Reflux Moonshine Stills and Columns This is a cooling kit for our 4" Copper Plate Columns. The moonshine still boiler and moonshine still column is not included. Use the clear hose for your hot water line, and the red/orange hose for your cold water line. These cooling kits will work for hose barb connections that are 5/8" ID Parts List: 16 feet of 1/2" Tubing (8 feet of clear tubing , and 8 feet of red/orange tubing) (2) 1/2" Push to Connect Flow Tees (1) 1/2" Push to Connect Union Tees (1) 1/2" Push to Connect Union Y (4) 1/2" Push to Connect 90° with Male NPT Pipe Fittings (2) 1/2" Male Straight Pipe Fittings The tubing you will receive could be orange, blue or clear.