Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: TDLC-S Availability: In the manufacturer's stock Price on request - + Recommended U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request M-MCTOPI Removable lids for M-CTE120I, inert,pk 6 Price on request