FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: FEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request C-HSINS2-4 Spacer for Agitator, to accommodate for 2mL vials, pk 4 Price on request C-HSINS10-4 Vial block insert, 20mL to 10mL, pk 4 Price on request