Sheath Air Purge Flow Filter for Nephelometer Back Catalog number: 385-0112-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200593 Valve, Plate, GilAir-5, Price on request 375-0019-01 GilAir Plus Shoulder Bag/Carrying Pouch, soft sided with straps Price on request GB25W Band, 25mm Shrink, White, 100/Pack Price on request