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 C-TDKIT-02 Essential Automated TD Starter Kit Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request