8" Brass w/Backing ASTM 63 micron or No.230
8-inch Diameter Brass Frame, Stainless Steel Woven Wire Mesh with Reinforced Backing Mesh, Certified ASTM E11 Compliance, 63 microns or No.230
8-inch Diameter Brass Frame, Stainless Steel Woven Wire Mesh with Reinforced Backing Mesh, Certified ASTM E11 Compliance, 63 microns or No.230