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 C-TAGKT TubeTAG starter kit (for SS tubes) Price on request T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request