Filter Housing, Rear GilAir-3/GilAir/5 Back Catalog number: 202816-1 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP Price on request TE-28 Teflon Bag, Septum Valve (50L) Price on request 910-0905-EU-R GilAir-Plus Data Logging 5-Pump Starter Kit, Euro Price on request