Aprilaire #4640 Scale Control

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The Aprilaire 4640 is a humidifier insert that keeps your humidifier system working at its best. This product works with your 500 series model humidifier and will keep mineral scale out of the water. This will prevent buildup and other contaminants from being released into the air you breathe.
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$26.40

APRILAIRE4640O

Aprilaire

999999 In Stock

The Aprilaire 4640 is a humidifier insert that keeps your humidifier system working at its best. This product works with your 500 series model humidifier and will keep mineral scale out of the water. This will prevent buildup and other contaminants from being released into the air you breathe.

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