Teflon Bag, Septum Valve (0.5L) Back Catalog number: TE-25 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 360-0190-01 Manual, Gilian 12 Price on request 385-0113-01 Filter Cap, Replacement for Nephelometer Price on request 811-9927-03 Cyclone, BGI4L Replacement Screw Kit Price on request