Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended DEV21_0.5L Devex bag with PC valve, 0,5L Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request