10" Inch Collar Duct Connector with Shutter for Flexible Aluminum Hose, Adjustable Flap, HVAC Ventilation Fitting, Easy Installation Width_12in + Instructions for Pump Installation

+ Instructions for Pump Installation and Maintenance Pre-Installation Checks

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

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

It will be a while before you need to replace these again

10" Inch Collar Duct Connector with Shutter for Flexible Aluminum Hose, Adjustable Flap, HVAC Ventilation Fitting, Easy Installation Width_12in + Instructions for Pump Installation+ 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