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-00010 VOC-Mole assembly, 230mm,pk10 Price on request OST-201-3424 Tube gas sampling 150ml nozzle (GL14), septum Price on request M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request