8" Brass ASTM w/Backing 25 micron or No.500
8-inch Diameter Brass Frame, Stainless Steel Woven Wire Mesh with Reinforced Backing Mesh, Certified Compliance to ASTM E11 Specifications, 25 microns or No.500
8-inch Diameter Brass Frame, Stainless Steel Woven Wire Mesh with Reinforced Backing Mesh, Certified Compliance to ASTM E11 Specifications, 25 microns or No.500