Feature： -1/4"-1/2" copper pipes -3 layer insulation -Brass flare nuts -Piping Kit Length:50Ft -Including 4 Lead Cable Set -Other Accessories: Wall Sleeve, Cap, Putty, Wrapping Tape, Drain Hose Description： -One Pipe with 1/4" OD and Other Pipe with 1/2" 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. Brass Flare Nuts, on ready formed flare ends. -Matching Length 1 Gauge 4 Lead Signal Cable set. .
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