Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request DEV21_0.5L Devex bag with PC valve, 0,5L Price on request NDV61_25L New Devex Sampling Bag with ABS Valve & Septum Fitting, 25L Price on request