Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended M-MCAL20 Disposable dish, alum, 20mL,pk100 Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request