Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request