Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request U-COV06 O-Ring, Size 006, pk/10 Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request