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 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request