Filter Cassette Holder Kit (required when sampling with Cassette) Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-0012-01 Gilian 800i/5000/10i/12 Replacement filter, pkg 10 Price on request FTK 3010-4023 Quantifit 2 Battery Pack Price on request 811-9923-EU-R Single Unit Replacement Power Adapter, USB-Euro Cord Price on request