FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request TDL71_5L Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request