Teflon Bag, On-Off Valve (1.2L) Back Catalog number: TE-21 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1709-EU-R Gilibrator 3 Standard Flow Dry Cell Base Pack (No Price on request GCZ008PC Cassette, 25mm, 3 pc, 0.8µm Polycarbonate, 50/Box Price on request 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request