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 M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request HEDFEP32_5L FEP gas sampling bag with PTFE dual-valve, 5L Price on request