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-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request C-TO17KIT TO-17 Starter Kit Price on request