Imperial VT0640 R2 Roof Vent Cap with Damper & Animal Screen, Black, 4" NewArrivals Automatic speed change technology adjusts

Automatic speed change technology adjusts cutting speed and torque during cut for optimum performance

Inlet Connection Size: 1-1/4 inch

Foot and hand controls for easy operation

but it's powerful enough to raise and hold up to 300 lbs

12" Length adjusts from 3-1/2" to 10-1/2"

Imperial VT0640 R2 Roof Vent Cap with Damper & Animal Screen, Black, 4" NewArrivals Automatic speed change technology adjustsThe Imperial R2 Premium Roof Vent Cap with Collar for use with bath ventilation fan. Built in backdraft damper and bird screen. Durable powder coat painted finish. Heavy duty steel construction. Style: R2 Size: 4" Finish: Black Roof vent cap Commercial grade Heavy duty steel construction Powder coated finish With damper and animal screen.