Specification： 1/4"-3/8" copper pipes 3 layer insulation Piping Kit Length:16 Ft Including 4 Lead Cable Set Other Accessories: Wall Sleeve, Cap, Putty, Wrapping Tape, Drain Hose Optional Pair Of Couplers: Included only where stated in the choices Feature： One Pipe with 1/4" OD and Other Pipe with 3/8" OD (Fits MOST 12,000 BTU and 18,000 BTU Systems) Highest Quality Full Copper Piping Kit Set. Compliance with ASTM-B280 Standard (USA-Canada). Dehydrated Soft Drawn Copper Tubes. Three Layer Water Proof P.E. Insulation. Copper Flare Nuts, on ready formed flare ends. Matching Length 1 Gauge 4 Lead Signal Cable set. .
eBay