Filter, Glass Fiber, Binderless, 1.1µm, 8" x 10", Back Catalog number: GFG858X10 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelome Price on request 911-0601-EU-R Single Unit Charger w/ Power Adapter, USB, BDX-2- Price on request 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request