OEM 4403 AP-4403 Aprilaire Humidifier Water Pad Scale Control Insert For 400
The Aprilaire part # is 4403. This is the u-shaped component which encases the Water Panel Evaporator. Their purpose is to direct any mineral which builds up back into the evaporative panel. This Item is used in Aprilaire Humidifier Models: 400.
OEM 4403 AP-4403 Aprilaire Humidifier Water Pad Scale Control Insert For 400
The Aprilaire part # is 4403. This is the u-shaped component which encases the Water Panel Evaporator. Their purpose is to direct any mineral which builds up back into the evaporative panel. This Item is used in Aprilaire Humidifier Models: 400.