Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: TDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request C-POD-KIT01-5TD POD Starter Kit: Carbograph 5TD Price on request 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request