Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request