800-12 – ROUND DIFFUSER (12″)
$32.8012″ round ceiling diffuser with 360-degree airflow. Steel with white powder coat. Mounts in 12″ round duct opening. Great for bedrooms, hallways, and offices.
Browse HVAC air grilles and registers at Open To Public HVAC Parts in Dallas. We carry floor registers, wall grilles, ceiling diffusers, return air grilles, and supply vents in a variety of sizes and finishes — all in stock for same-day walk-in pickup.
Showing 1–48 of 94 results

12″ round ceiling diffuser with 360-degree airflow. Steel with white powder coat. Mounts in 12″ round duct opening. Great for bedrooms, hallways, and offices.

10″ x 10″ return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

12″ x 12″ return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

12″W x 24″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

14″ x 14″ return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

14″W x 20″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

14″W x 25″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

16″W x 20″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

16″W x 25″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

20″W x 10″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

20″W x 14″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

20″W x 16″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

20″ x 20″ return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

20″W x 25″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

20″W x 30″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

24″W x 12″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

24″ x 24″ return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

25″W x 16″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

25″W x 20″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

30″W x 20″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

10″W x 6″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

10″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

10″ x 10″ return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

12″W x 6″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

12″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

12″ x 12″ return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

14″W x 6″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

14″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

14″ x 14″ return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

14″W x 20″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

14″W x 25″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

16″W x 6″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

16″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

16″ x 16″ return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

16″W x 20″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

16″W x 25″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

18″W x 6″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

18″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

18″ x 18″ return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 6″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 10″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 12″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 14″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 16″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″ x 20″ return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 25″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

20″W x 30″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.