The LabStrong Fi-Streem part number TU0012-23 is a tubing replacement kit. The tubing replacement kit is suitable for operation in Fi-Streem Water Purification Stills that produce 8 liters of distilled water per hour. The kit is comprised of various tubing replacements for the inside and outside of the still. The kit includes an instruction sheet, two Y Pieces (857X27LS), three T Piece (857X26LS), two zip ties, 92 inches of silicone rubber distillate tubing, 42 inches of blue PVC tubing, and 183 inches of silicone rubber internal tubing.