Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request C-KITME01-2S Basic material emissions starter kit Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request