Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended C-HSINS2-4 Spacer for Agitator, to accommodate for 2mL vials, pk 4 Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request U-COV35 O-Ring, low-emission, size 035,pk10 Price on request