Cassette, 37mm, 2 pc, 0.4µm Polycarbonate, 50/Box Back Catalog number: GC7245PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0912-NO-R GilAir-Plus Data Logging 5-Pump Starter Kit, Bluet Price on request GCCS10 Cassette, Carpet Sampling, 10/Box Price on request 783-0013-01-R Battery Pack AA Alkaline Price on request