New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: NDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request