Aprilaire #4223 Drain Spud

Part Number: APRILAIRE4223O

Retail Price per Filter: $8.99
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This Aprilaire 4223 Humidifier Drain Spud Kit replacement is used in all Aprilaire 500 Series and Aprilaire 600 Series Humidifiers. This Aprilaire 4223 drain spud kit allows for the connection of the 1/2" humidifier drain hose in those Aprilaire humidifier models.

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