Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended C-VAC-FULL-ARR-KI Vacuum SPME Arrow Full Starter Kit Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request