Teflon Bag, Septum Valve (4.7L) Back Catalog number: TE-27 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 297-0012-01 USB Communications Cable for Nephelometer Price on request 910-1305-NO Gilian 800i,5-Pack Kit, No Cord Price on request GF25500PVC Filter, PVC, 5.0µm 25mm, 100/Pack Price on request