Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended C-POD-1XX POD Cartridge, Carbopack X, pk 10 Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request P-FORMR Brass impact former Price on request