Devex bag with PC valve, 0,5L Back Catalog number: HEDDEV21_0.5L Availability: In the manufacturer's stock Price on request - + Recommended OST-201-0246 Screw caps for screwthread tubes GL14, bore 8mm Price on request U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request P-CP001 VOC-Mole cap assembly,pk 1 Price on request