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Merv 13 Filters Fast® 1" Allergy AC and Furnace Filters 6-Pack
Comfortable, Reusable Particulate Respirator Facemask by RZ Mask - Meets N95 & N99 StandardsThe AprilAire 4640 is the correct replacement for the following humidifiers:
- AprilAire 500
- AprilAire 500A
- AprilAire 500M
The AprilAire 4640 Humidifier Scale Control Insert is for use in your 500 series model humidifier. This AprilAire humidifier scale control is a U-shaped piece that encases your humidifiers water panel evaporator.
The AprilAire 4640 Specifications:
- Contains 1 humidifier scale control insert
- Works with your 500 series model humidifier
- Item Weight: 4.8 ounces
The AprilAire humidifier scale control will direct mineral build up back into your humidifiers evaporative pad, keeping it out of your clean, humidified air. This humidifier scale control is a key feature to keeping your AprilAire 500 series model humidifier working at peak performance.
Customer Reviews:
This humidifier wick fits my humidifier.
Collected by Trustpilot.comGreat service
Collected by Trustpilot.comThe Fit was foremost !!!!
Collected by Trustpilot.comMy humidifier is older model. Hard to find filters for it.
Collected by Trustpilot.comDidn’t receive my second order that I placed
Collected by Trustpilot.comThe only real problem is the PRICE// The same product at two other big box stores, is much less.
Collected by Trustpilot.comworks as should
Collected by Trustpilot.comQuick easy to order, almost always has whats needed.
Collected by Trustpilot.comThe filter's work and fit well in my humidifier.
Collected by Trustpilot.comIt was easy to order just what I needed and it came right to my door.
Collected by Trustpilot.comThey seem to be working ok.
Collected by Trustpilot.comExcellent
Collected by Trustpilot.comGreat product and customer service.
Collected by Trustpilot.comThis is a great product .
Collected by Trustpilot.comVery expensive
Collected by Trustpilot.comThe best price and high quality make this a no-brainer!
Collected by Trustpilot.comProduct Availability
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