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 C-KITME01-2S Basic material emissions starter kit Price on request HEDTDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request