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The Hart & Cooley 10739 Royalaire Floor Diffuser (531 Series) 4 x 12 is designed for HVAC systems. This floor diffuser is made from extruded aluminum and features a satin anodized finish, ensuring durability and resistance to corrosion.
This floor diffuser is perfect for residential use. It features heavy cross bracing for added strength and uses nylon slide valve operators for easy adjustments. Its size is ideal for wall openings of 4 x 12 inches.
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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