The GX-2009 monitor from RIKEN KEIKI is the smallest and lightest personal 4-gas monitor in the world. If you need spare parts or accessories for the innovative device, Woell Marine is the place to go. From data recording software to waterproof filters and mounting straps, we deliver everything reliably and quickly to where you need it. Simply select the relevant items and send us your list. You will then promptly receive a non-binding offer including delivery times.