Product Specification： 1/4"-3/8" copper pipes Length:50 Feet 3 layer insulation Brass flare nuts Including 4 Lead Cable Set Feature： One Pipe with 1/4" OD and Other Pipe with 3/8" OD (Fits MOST 9,000 BTU and Many 12,000 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 16 Gauge 4 lead Signal Cable set. .
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