Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended M-TICAP Tube interface cap for removable lid,pk 6 Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request