Kit-Diaphragm Hi Flow Back Catalog number: 800411 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 400681 Printer Paper, Thermal for Printer PN 700724, Gilibrator/Gilibrator-2 (Packg of 5) Price on request 800844 Diagnostic Panel with Carrying Case (2-50cc, 20-200cc, 0.5-5LPM), Gilibrator-2 Price on request GF37TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm DOP) 37mm, 25/Pack Price on request