Cassette, 25mm, Classic Style, PCM, 0.8µm, MCE, No Back Catalog number: GCS25080 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0014-01-R GILAIR PLUS BATTERY PACK, DC BACK PACK Price on request 800883-171-2301 GilAir-5 R Pump, Starter Kit, 230V Euro Style Plug Price on request 375-0008-01 Protective Rubber Boot for Nephelometer Price on request