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 800883-171-2305 GilAir-5 R Pump, 5-Pack with Universal 5-Unit Char Price on request 800884-171-2301 GilAir-5 RP Pump, Starter Kit, 230V Euro Style Plu Price on request 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP Price on request