Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 910-0207-02 GilAir-3 Program [ATEX], Starter Kit, 230V, Euro P Price on request 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request 811-0944-02-R GilAir Plus, DL to DL BlueTooth and Motion Upgrad Price on request