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 U-HSVB-20 Replacement Vial Block, for HiSorb Agitator Price on request P-00030 VOC-Mole assembly, 830mm,pk10 Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request