1/4" - 5/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 25' Long Insulated Line Set if your hole is 20"

if your hole is 20" wide by 14" tall

The total outer size of this grille is the listed size plus 1

including Ductless Mini-Split

Works for all Air Conditioning applications including Ductless Mini-Split

Do not measure the overall size of the register itself

1/4" - 5/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 25' Long 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