Devex bag with PC valve, 0,5L Back Catalog number: HEDDEV21_0.5L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request HEDMBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request