Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 401036 Sampling Mast, Aircon-2 Price on request 800142 Clip Assembly, Replacement for Filter Cassette Kit Price on request 811-9928-02 Cyclone, 47mm Filter Screen (Stainless Steel) for Price on request