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 RMK-0003-2S Markes Online Systems PM Kit Price on request C-EZVOCAK Easy-VOC accessory pack Price on request M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request