Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request HEDFEP32_5L FEP gas sampling bag with PTFE dual-valve, 5L Price on request