1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" White Insulation EZ Twin Set - 25' Long Copper Coil-Insulated Line Set if your hole is 20"

if your hole is 20" wide by 14" tall

only measure the "hole" in the wall/duct

Plain Ends - Gives you the freedom to cut and flare at your own project needs

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

and Diffusers

1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" White Insulation EZ Twin Set - 25' Long Copper Coil-Insulated Line Set if your hole is 20"+ 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