Cyclone, BGI4L Gasket Back Catalog number: 811-9927-04 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-3 Tedlar Bag (1L) Price on request 800485-171-2305 GilAir-3 R Pump, 5-Pack with Universal 5-Unit Char Price on request 800450 Soap Solution, Flow Cell (8 oz.), Gilibrator/Gilib Price on request