Aprilaire Maintenance Kit for Model 224 Humidifier.
Kit contains:
2- #12 Pads
1- #4004 Strainer
1- #4021 Red Orifice
1- #4038 Drain Spud
AirFilters.com
This Aprilaire Maintenance Kit is for Model 224 Humidifiers and contains (2) #12 pads, (1) #4004 Strainer, (1) #4021 White Orifice and (1) #4038 Drain Spud. This convenient kit contains a variety of items your need for periodic maintenance to your Aprilaire unit.
