Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9950-01 Cyclone Calibration Jar (For FSP-10 Cyclone) Price on request GCU37080MW-2 Cassette, 37mm 2pc 0.8µm, MCE Matched (50µg), 50/B Price on request 811-9925-01 Cyclone, GK4.162 -RASCAL Cyclone (9LPM Respirable- Price on request