Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request RMK-0027 Routine Maintenance kit, tube based systems, no co Price on request U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request