Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCU37AE Cassette, 37mm 3pc w/ Type A/E Glass Fiber, 50/Box Price on request GPP3700 Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Price on request 811-9950-01 Cyclone Calibration Jar (For FSP-10 Cyclone) Price on request