18 x 16 mesh. Rust and corrosion-resistant. No shrink or stretch. 100′ per roll.
From the Manufacturer
Phifer 36-Inch by 100-Feet Fiberglass Charcoal Insect Screen helps protect people from annoying and often disease carrying insects. Phifers Aluminum screen sets the standard for screening industries level of quality and dependability with the production of a precision woven and uniform coated screen mesh.