Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request 632443611250 Vzorkovnice na plyny se dvěma olivkami (na hadice Price on request SERZ-1097 Spare tube assembly, ACTI-VOC Price on request