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 C-EZVOCAK Easy-VOC accessory pack Price on request P-CP001 VOC-Mole cap assembly,pk 1 Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request