These medium vents are 12 1/2" x 3 1/2" and will accept one of our large grab handles (275-23 or 275-24) and two blower vent collars (275-15).
These medium vents are 12 1/2" x 3 1/2" and will accept one of our large grab handles (275-23 or 275-24) and two blower vent collars (275-15).