Dundas Jafine Flexible Aluminum Foil Duct 3" X 25" Hb Smith 4" duct connector mounts from

4" duct connector mounts from the inside of the housing & a damper technology

Often used for blind

If you plan to stain after product sets

tempered glass

Gun features a 360 adjustable exhaust allows user to direct air away from debris for safe operation1-piece driver blade for increased durability and longer life

Dundas Jafine Flexible Aluminum Foil Duct 3" X 25" Hb Smith 4" duct connector mounts fromDundas Jafines Flexible Aluminum Foil Duct is ideal for bathroom fan venting and other general purpose exhaust applications. This duct is made from 3 ply aluminum foil laminate with a maximum operating temperature of 250F. UL versions of this item are available if required by code. The UL ducts are UL181 listed and marked.