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RAS
RAS are centrifugal duct fans designed primarily for radon extraction in all applications where the presence of radon is detected or suspected. Safe radon venting is assured by the very high housing tightness. The RAS plastic fans are suitable for air temperatures up to 50 °C. The duct fans are equipped with an impeller with self-cleaning backward curved blades. The RAS fans are suitable for continuous operation.
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