1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 35' Long w14h14 is fireproof and ensures efficient

is fireproof and ensures efficient thermal performance

+ How To Measure A Grille

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

if your hole is 20" wide by 14" tall

10"w X 4"h Is The Size For The Duct Opening Measurement Only

1/4" - 3/8" Insulated Copper Coil Line Set - 1/2" Black Insulation Taped Together - 35' Long w14h14 is fireproof and ensures efficient+ 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