Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request OST-201-3424 Tube gas sampling 150ml nozzle (GL14), septum Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request