CAP,VARIABLE ORIFICE, ALUMINUM, for TUBE HOLDERS Back Catalog number: 200146 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9924-01 Cyclone, BGI4L Aluminum Cyclone (2.2LPM Respirable-US) (Uses 37mm Cassettes) Price on request 910-1301-EU Gilian 800i,Starter Kit, EU Cord Price on request 910-1501-EU Gilian 10i,Starter Kit, EU Cord Price on request