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 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request C-POD-SP10 POD Support Plate, with clip, pk 10 Price on request HEDFLD32_2L Fluode gas sampling bag with PTFE dual-valve, 2L Price on request