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-KITME01-2S Basic material emissions starter kit Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request