
They have a unique polypropylene screen system to keep insects out.
They are easy to install. They fit into the hole made by a drill-type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed.
They have a unique polypropylene screen system to keep insects out.
They are easy to install. They fit into the hole made by a drill-type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed.