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The Aprilaire 4004 Strainer is designed for various humidifiers, including models 400, 400A, 400M, 440, 500, 500A, 500M, 550, 560, 600, 600A, 600M, 700, 700A, and 700M. It fits in the inlet fitting of the water solenoid valve to regulate water flow.
The Aprilaire 4004 Strainer ensures optimal performance by filtering out dirt, rust, and sediment, prolonging the lifespan of your humidifier components.
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