Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-1004-02 PM-10 Impactor Kit, Replacement for Models 810-100 Price on request 811-0501-01 Flow Monitoring Software Kit (Software, Cable, & M Price on request 811-9919-EU GilAir-3/5 BDX-2-Euro Five Unit Charger, Universal Price on request