CAP,VARIABLE ORIFICE, ALUMINUM, for TUBE HOLDERS Back Catalog number: 200146 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9926-01 Cyclone, GK2.69 Aluminum Cyclone for 37mm Cassettes (4.2 LPM Respirable & 1.6LPM Thoracic-US) Price on request 800061 Cyclone, Dorr-Oliver, 10mm - Nylon (1.7LPM-US) Price on request 801863M Manual, BDX II Price on request