Teflon Bag, Septum Valve (0.5L) Back Catalog number: TE-25 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 297-0012-01 USB Communications Cable for Nephelometer Price on request 910-0902-EU-R GilAir-Plus Data Logging Single Starter Kit, Euro Price on request 401931-750-R SCR-PHIL PAN 4-20 X 3/4" Price on request