The Lord & Burnham greenhouse vent arm slides onto the vent pipe shafting, and bolts to the sash bearer. When the vent pipe shafting rotates, the vent arms raise or lower the greenhouse vent.
More information on installing vent arms: Vent Arm Installation Instructions
Related Vent Products
$58.75
We have been building Lord and Burnham greenhouses for over 40 years.
We sell motors that can operate many different types of greenhouse vents.
We provide custom size greenhouse glass, and stock many standard sizes.
We hope you enjoy some of our greenhouse photos we've accumulated in the last 40+ years.
Greenhouse Projects