Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended P-00040 VOC-Mole assembly, 830mm,pk10 Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request T-7CUS cust packed cold trap, TT24-7 Price on request