Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended C-POD-KIT01-5TD POD Starter Kit: Carbograph 5TD Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request HEDPOL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request