18" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w14h14 + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
18" Insulated Aluminum Flexible HVAC Duct R 6.0 – 25' Length w14h14 + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 8"w X 20"h X 2"d (for duct opening measurement only) + Product Details Size – 26"w X 10"h is the size for the duct opening measurement only