Filter, PTFE with Polypropylene Backing, 0.5µm, 37 Back Catalog number: GF37050T Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 375-0008-01 Protective Rubber Boot for Nephelometer Price on request 800450 Soap Solution, Flow Cell (8 oz.), Gilibrator/Gilib Price on request 811-0507-01-R Power Adapter, Universal Wall w/USB A to USB B cab Price on request