TYPE B GAS VENT ADJUSTABLE LENGTH 3" X 12" Size:3" X 12" and other indoor rooms where

and other indoor rooms where floor space is limited or when overhead circulation is required

Beautifies wood with a lustrous glow that will not darken with age

Large end hook grabs construction material from top and bottom

EASY INSTALLATION: Comes with all hardware including hinge pins

fence rows food plots

TYPE B GAS VENT ADJUSTABLE LENGTH 3" X 12" Size:3" X 12" and other indoor rooms whereSizes for 12" lengths: 3" through 8", adjustable from 3" through 10" Sizes for 18" lengths: 9" through 12", adjustable from 3" through 16" Sizes for 18" lengths: 14" through 30", adjustable from 5" through 16"Adjustable lengths telescope onto standard AmeriVent pipe sections.