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 P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request RMK-0006HT Routine maintenance kit for M-CTE250I Price on request RMK-0027 Routine Maintenance kit, tube based systems, no co Price on request