Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended HEDDEV31_5L DEVEX gas sampling bag, stopcock straight valve, 5L Price on request HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request