10" Inch Collar Duct Connector with Shutter for Flexible Aluminum Hose, Adjustable Flap, HVAC Ventilation Fitting, Easy Installation Width_12in + Product Details Size –

+ Product Details Size – 36"w X 6"h is the size for the duct opening measurement only

+ Product Details Size - 6"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 24"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 14 5/8" width X 20 5/8" height -

Actual Filter Size – 27 3/4"w x 13 3/4" x 1"

10" Inch Collar Duct Connector with Shutter for Flexible Aluminum Hose, Adjustable Flap, HVAC Ventilation Fitting, Easy Installation Width_12in + Product Details Size –+ Product Details Size Diameter Range: Available in a diameter range of 4" to 10", the Exiva Duct Collar can be used with a variety of duct sizes. Material Constructed from durable polypropylene, the Exiva Duct Collar is designed to withstand a wide range of temperatures and demanding conditions in HVAC systems. Design The collar features a smart, user friendly design that includes a flexible air duct connection, ensuring a tight fit and secure