Housing, 37mm, Conductive 3pc, 50/Box Back Catalog number: GH37C Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201119 Filter inside low flow modules 800518 & 800519 Price on request 910-0202-02 GilAir-3 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request 360-0201-01 Operation Manual/Software CD for Deluxe Nephelometer, TSP, PM-2.5, PM-4, PM-10 Price on request