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#4640 Aprilaire Scale Control Insert
Aprilaire Humidifier Replacement Filter #4640

 
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SKU: US4640



Product Code: US4640

Description Extended Information
 

Aprilair Humidifier Replacement Filter #4640

This is the u-shaped component which encases the Water Panel Evaporator.

Their purpose is to direct any mineral which builds up back into the evaporative panel.

They prevent water from leaving the evaporative section and entering another portion of the humidifier.


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