Filter, 37mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC0237 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37R Band, 37mm Shrink, Red 100/Pack Price on request GF25080 Filter, MCE, 0.8µm, 25mm, PCM, No Grid, 100/Pack Price on request 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request