Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHSI Sample pans for M-CTE120I, inert,pk 6 Price on request U-COV450 O-Rings, low-emission,pk100 Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request