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 U-COV1516 Spare O-ring, black, for POD sampler (support body), pk 10 Price on request P-CPP10 Blanking plugs, for VOC-Mole cap assembly,pk10 Price on request