Teflon Bag, On-Off Valve (4.7L) Back Catalog number: TE-23 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201119 Filter inside low flow modules 800518 & 800519 Price on request 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP model only Price on request GCU37500PVCPW100 Cassette, 37mm 2pc 5.0µm, PVC Preweighed, 50/Box Price on request