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RMS220 has both Nitrogen Mode and Air Mode, and the refresh rate (new powder rate) varies slightly depending on the material used. Please use the gas source according to your needs.
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If you require an external air source, remove the quick connector and install it on the air source port on the back of the RMS220. The quick connector is compatible with pneumatic hoses or rigid tubes with an outer diameter of 8 mm and an inner diameter of 6 mm.
