Cassette, 37mm, 3 pc, 0.4µm Polycarbonate, 50/Box Back Catalog number: GC7345PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0905-EU-R GilAir-Plus Data Logging 5-Pump Starter Kit, Euro cord Price on request 783-0007-01 Battery Pack, Replacement for Gilian 5000, 800i & 10i, NiMH Price on request 811-9923-EU-R Single Unit Replacement Power Adapter, USB-Euro Cord Price on request