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 P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request