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 NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request