This screen adaptor holds the screen in place and doesn't interrupt the vent arm from lifting the vent. The screen adaptor has an opening, allowing the vent arm to do its job. The screen adaptor is sometimes called a "vent pan".
$18.50
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