Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request