DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: DEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request U-ULKIT TD automation/ULTRA-xr starter kit Price on request