Teflon Bag, Septum Valve (50L) Back Catalog number: TE-28 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1004-04 PM-4.0 Impactor Kit, Replacement for Models 810-10 Price on request 402127 Printer Paper, Thermal for Printer PN 700721, Gili Price on request 800685 Air Boss Kit, LFS-113 (required for bag sampling) Price on request