Miscellaneous Office Basics

Glass Fiber Filters Superfine GF Filter Paper Dust Membrane Diameter 47mm Pore Size 0.22/0.45 um 25 Circles Glass Fiber Filters Superfine GF Filter Paper Dust Membrane Diameter 47mm Pore Size 0.22/0.45 um 25 Circles Glass Fiber Filters Superfine GF Filter Paper Dust Membrane Diameter 47mm Pore Size 0.22/0.45 um 25 Circles