18" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w20h20 /* Blue text on hover

/* Blue text on hover */ }

Actual Filter Size – 13 3/4"w x 29 3/4" x 1"

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

+ Product Details Size - 32"w X 32"h is the size for the duct opening measurement only

Design – The stick-on take-off helps you in heating

18" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w20h20 /* Blue text on hover+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value Insulation A thick blanket of fiberglass insulation provides you with an R Value of 6. 0 Energy Efficient Air tight inner core decreases the pressure loss and provides a more hygienic environment high energy efficient No fiberglass erosion into air stream Design Designed to withstand bends and sharp turns without kinking. Tough reinforced