1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" White Insulation EZ Twin Set - 35' Long Adjustable Return It has an outer surface

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

forEach(header => { header

+ Product Details Size - 40"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 6" x 24" or 24" x 6" is the size for the duct opening measurement only

1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" White Insulation EZ Twin Set - 35' Long Adjustable Return It has an outer surface+ 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