Aprilaire 4232 Orifice (Blue) 144/Pk

The Orifice is a 144/Pk Aprilaire 4231 air conditioner filter. This filter helps to keep your air conditioner running smoothly and efficiently.

The Ionizer Wire Assembly 3/Pk Aprilaire 4315 is a replacement part for the Aprilaire 4315 air purifier. This assembly includes the ionizer wire and the control unit.

The Aprilaire 4640 Scale Control Insert is a 10-pack of inserts that help to control the scale of your Aprilaire 4640 humidifier.

Cover (Blue/Gray)

Base (Blue/Gray)Aprilaire 4732 Base (Blue/Gray)Aprilaire's Base (Blue/Gray) is used to attach an air cleaner or air conditioner to the supply registers of your home. It attaches under the supply...

The Aprilaire 800 Drain Valve is a must-have for any home with a central water system. This valve allows you to easily and quickly drain your system when it's time for a cleaning.