Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request TDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request