Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9918-03 Go-Cal AC Adapter Euro, 100-240V Price on request 800519 Multi-Flow Module, Blue, GilAir-3/GilAir-5 (1 to 7 Price on request 800485-171-2305 GilAir-3 R Pump, 5-Pack with Universal 5-Unit Char Price on request