Air Boss & Restrictor Kit, GilAir-3/GilAir-5 and B Back Catalog number: 800320-1 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-28 Teflon Bag, Septum Valve (50L) Price on request 850082 PC Cable, Flow Monitoring Software Kit (cable only Price on request 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request