8" Inch Collar Duct Connector with Shutter for Flexible Aluminum Hose, Adjustable Flap, HVAC Ventilation Fitting, Easy Installation Aluminum Adjustable Curved Blade + Product Details 24" x

+ Product Details 24" x 24" x 1" replacement air filters for your furnace

Easy Installation – Quick and painless installation – Can be installed after line set is in place

+ Product Details Size – 28" x 30 or 30" x 28" is the size for the duct opening measurement only

Ensure that all joints are sealed to prevent leaks

8" Inch Collar Duct Connector with Shutter for Flexible Aluminum Hose, Adjustable Flap, HVAC Ventilation Fitting, Easy Installation Aluminum Adjustable Curved Blade + Product Details 24" xAccordion Menu + 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