Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended T-3GBGE CW agents cold trap, TT24-7 Price on request C-POD-SP10 POD Support Plate, with clip, pk 10 Price on request HEDDEV41_5L DEVEX sampling bags 5L, stopcock & septum Price on request