Kit-Diaphragm Hi Flow Back Catalog number: 800411 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended SC-2 Tedlar Bag (1.5L) Price on request 375-0008-01 Protective Rubber Boot for Nephelometer Price on request 910-0204-02 GilAir-3 Clock [ATEX], Starter Kit, 230V, Euro Plu Price on request