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-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request M-MCAL20 Disposable dish, alum, 20mL,pk100 Price on request