Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GCCS10 Cassette, Carpet Sampling, 10/Box Price on request GH37-2 Housing, 37mm 2pc Opaque, 50/Box Price on request 810-0903-02-R STP, Bluetooth, Pump Only (No Dock) Price on request