3/8" - 5/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 35' Long Color_Red Oak Wood + Product Details High Quality

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

if your hole is 20" wide by 14" tall

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3/8" - 5/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 35' Long Color_Red Oak Wood + Product Details High Quality+ Product Details Operating Temperature From 40F To +248F [ 40C To +120C] High Quality Copper Coil Meets Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 99. 9% Pure Copper). R Value Rating of Insulation R3. 3 * Insulation density is 30kgs CBM = 0. 035 W mK Pre flared ends with nuts are for simple and easy installation. Copper coil line set fits most ductless mini split air conditioners, heat pump systems, and