Screen Mesh: NO-SEE-UMS fiberglass provides excellent protection from small insects. This is the recommended insect screen for homeowners who need protection from small insects commonly known as no-seeums. GREENGUARD certified.
Frame: Standard - 5/16" x 3/4" Aluminum
Corners: Mitered - Internal aluminum corner keys (square plastic corners tend to become brittle and break)
Description: Each screen is made within a 1/16" tolerance. Per square inch, there are 20 vertical and 20 horizontal strands. This density provides protection for the smallest insects that might try to enter your home. Very popular in swampy and low lying areas near a water source.