FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended T-TO15-KXR Focusing trap, Trace TO-15, for TT24-7 with Kori-xr Price on request HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request