Go-Cal Carrying Case, Soft Back Catalog number: 811-9917-04 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800143 Filter Cassette Holder Kit (required when sampling Price on request 800256 Single Variable Flow Kit, 7-10 x 150mm Price on request GCO37050-2 Housing, 37mm, 2Pc, 50/Box Price on request