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The CROWN PRODUCTS 900 return air box is made from twenty-eight gauge galvanized steel. This item is designed for efficient airflow in HVAC applications. The box features a half-inch flange on the rectangular end and includes a lay-in filter rack to hold a one-inch thick filter.
This return air box is suitable for various heating and cooling systems, improving air quality and efficiency.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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