Devex bag with PC valve, 0,5L Back Catalog number: HEDDEV21_0.5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request C-KITME01-2S Basic material emissions starter kit Price on request