Teflon Bag, Septum Valve (50L) Back Catalog number: TE-28 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GH37SR-2 Housing, 37mm 2pc Solvent Res, 50/Box Price on request 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request 385-0114-01 Zero Cap, Black Rubber for Nephelometer Price on request