Cyclone, 37mm Filter Screen Back Catalog number: 811-9927-08 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 911-9901-NO-R Single Unit Charger w/ Power Adapter, USB GilAir-3 Price on request SC-9 Tedlar Bag (45.0L) Price on request 811-0902-EU-R Five Station Basic Dock 100-240Vac, 50-60 Hz, Euro Price on request