Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: HEDMBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0006HT Routine maintenance kit for M-CTE250I Price on request SERZ-1070 Spare bag sampling accessory, ACTI-VOC Price on request H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request