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Quiet and powerful
880 CFM centrifugal blower that efficiently eliminates smoke
Magnificent satin nickel
this system ensures superior air quality by simultaneously moving supply and exhaust air in opposite directions
Powerful 570 CFM twin turbofans for high-performance ventilation
AprilAire 4788 Maintenance Kit With 45 Water Panel new Quiet and powerfulKeep your Aprilaire humidifier running at peak efficiency with the Aprilaire 4788 Maintenance Kit. Designed specifically for the Aprilaire 400 Seriesmodels 400, 400A, 400M, and morethis all in one kit provides everything you need for annual maintenance. From replacing the water panel to refreshing internal components, the 4788 kit helps restore optimal humidity control to your home. All components are made in the USA, ensuring quality and performance
