Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Back Catalog number: GPG37100 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request 800252 Single Variable Flow Starter Kit (Includes 6x70mm, Price on request 811-0509-01-R USB Wall Power Adapter Price on request