7990-6301 Coleman 10.5" mobile home furnace duct connector

7990-6301 Coleman 10.5" mobile home furnace duct connector 

10.5-inch duct connector with back-stop connects mobile home downflow furnace to the ductwork underneath it. To specify the correct size, measure from the top of the floor to the top of the duct. Secure to floor and bend fingers inside duct opening.  Opening size is 12" x 14". Total size is 18" x 18". Depths available are 2", 4.5", 6.5", 7.5", 8.5", 10.25" and 12".  Item pictured is for reference only and may not be the actual depth.  Works with Coleman, Nordyne and other furnaces that aren't high efficiency.  

6" duct connector for high-efficiency 90% furnaces also available by ordering part # 9155-6261.