Excellent energy saving: set heat recovery inside, exchange the exhausted air and supply air, recovery efifciency up to 90%,

1, Excellent energy saving: set heat recovery inside, exchange the exhausted air and supply air, recovery efifciency up to 90%,

2, runner boss and outer circle made from special aluminium with hard wear resistant material, long life/duration to 20 years,

3,adopts 85 um special aluminium fin stock spoke, runner structure firm and stable, saving heat more,

4,adopt japanese runner-driven belt with special self-tensioning devices and mechanical belt lock,

5,adopt thick aluminium foil and recovery heat with with the height of the bellows being 2.0mm, wide surface area of transferring heat, high heat recovery.

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