Aprilaire 4231 Yellow Orifice

 

• Aprilaire 4231 yellow orifices are the tiny nylon components which, accurately meter the flow of water into your humidifier.
• They allow a specific amount of water to go into the humidifier, unique to your model humidifier.
• Fits Aprilaire 400, 500, 550, 558, 560, 568, 600

 

 

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Clean indoor air is essential to our well-being, and Canadians deserve a company that offers products to help them live a healthier life. PureFilters was founded with one mission - to help Canadians enjoy clean and healthy indoor air at an affordable price. 

From quality products to hassle-free returns, to superior customer service - our team at PureFilters is ready to help you with your order. Feel free to contact us via live chat, or email us at [email protected] if you need help with your order.