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 U-T1KORI Empty cold trap, KORI-xr Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request