Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 910-1605-NO Gilian 12, 5-Pack Kit, No Cord Price on request 810-0101-02 GilAir-5 Basic (ATEX), Pump only Price on request 910-0102-02 GilAir-5 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request