1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 15' Long Supply Grille this flex duct decreases the

this flex duct decreases the pressure loss and provides a more hygienic environment

1/2" White insulation will give you a good R value of 3

The 1/2" black insulation

Our coils have a very high PSI burst pressure

1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 15' Long Supply Grille this flex duct decreases the+ 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