Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: MBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0006HT Routine maintenance kit for M-CTE250I Price on request RMK-0005 RoutMainten kit - TT24-7 Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request