Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_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 C-POD-S1P0 POD Support Plate, with clip, pk 100 Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request