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#4223 Aprilaire Drain Spud
#4223 Aprilaire Drain Spud
- For use with Aprilaire models 500, 550, 550A, 558, 560, 568, 560A, 600, 600A, & 600M.
- This is the plastic fitting which attaches to the base of the housing of your humidifier.
- Designed to allow for the connection of the 1/2" drain hose.
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