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 C-TAGKT TubeTAG starter kit (for SS tubes) Price on request C-POD-S1P0 POD Support Plate, with clip, pk 100 Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request