Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request C-HSINS10-6 Agitator spacer for vials, 20mL to 10mL, pk/6 Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request