Complete Vent Screens available in standard sizes, ready to install. Made with Wildfire Defense Mesh 98 and compliant with California Building Code Chapter 7A* • 98% effective at stopping dangerous embers • Reduces radiant heat by ~38% • Diffuses direct flame Dimensions 4.5” x 14”: Finished Size 4.5” x 14”, Mesh Size 3” x 12.5”, Frame Width 0.75”, Net Free Area 23.25% Dimensions 4.5” x 22”: Finished Size 4.5” x 22”, Mesh Size 3” x 20.5”, Frame Width 0.75”, Net Free Area 38.15% Dimensions 3.5” x 14”: Finished Size 3.5” x 14”, Mesh Size 2” x 13”, Frame Width 0.5”, Net Free Area 20.15% Dimensions 3.5” x 22.5”: Finished Size 3.5” x 22.5”, Mesh Size 2” x 21.5”, Frame Width 0.5”, Net Free Area 33.33% Aperture: 0.0657” / 1.67mm Wire Diameter: 0.0177” / 26 SWG / 0.45 mm Finish: White/Gray Powder Coat Finish (color per images) Weave Type: Plain Weave Approx % open area: 62% Stainless Steel Grade: 304 / 316 Higher Tensile Woven Wire Intercrossing wires will not break Memory recognition allows it to stay flat