Aprilaire 4223

Aprilaire® Drain Spud, For Use With: Aprilaire® 600M, 500A, 500M and 560 Series Humidifiers, 1/2 Inch Hose End, 1-3/8 Inch Spud, Plastic, Black, 1-1/8 Inch H

• The Aprilaire® 4223 drain spud is the plastic fitting that attaches to the base of the housing of your humidifier