Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-3GBGE CW agents cold trap, TT24-7 Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request HEDTDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request