Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9919-EU GilAir-3/5 BDX-2-Euro Five Unit Charger, Universal Price on request GCO37050-2 Housing, 37mm, 2Pc, 50/Box Price on request 850082 PC Cable, Flow Monitoring Software Kit (cable only Price on request