Valve Plate Assy Back Catalog number: 800796 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9931-01 Cyclone, FSP-10 Large Capacity Cyclone (10 LPM Respirable-Europe & 11.2LPM Respirable US-NIOSH) Price on request 700537-R Display LCD Gilibrator 2 Price on request 811-9927-09 Cyclone, Luer Adapter Replacement Kit Price on request