18" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w14h14 + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 6" or 6" x 10" duct opening (measured at the opening)

compatible with duct 4" | 5 in a pack - 4 inch diameter pipe – 10 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

Q: Why BLACK

+ Product Details Size – 26"w X 10"h is the size for the duct opening measurement only

18" Insulated Aluminum Flexible HVAC Duct R 6.0 – 25' Length w14h14 + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 10" x 6" or 6" x 10" duct opening (measured at the opening) compatible with duct 4" 5 in a pack 4 inch diameter pipe – 10 foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal