Carrying Case for Nephelometer Back Catalog number: 375-0009-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0012-01 Gilian 800i/5000/10i/12 Replacement filter, pkg 10 Price on request 201044-10 Filter Housing, Front, GilAir-3/GilAir-5 Price on request 783-0014-01-R GILAIR PLUS BATTERY PACK, DC BACK PACK Price on request