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The BUILDMART 12x4 is a decorative linear slot diffuser made of solid extruded aluminum with an electrostatic paint finish. It works as both a supply and return vent and can be mounted in ceilings, walls or floors. Its directional dampers throw air in a 90-degree spread, or you can aim it to one side. It is a non-filter model, so it suits rooms where you want a clean architectural look rather than filtration. Against basic stamped-steel registers, it offers a more finished look and adjustable airflow, but it costs more and does not filter dust.
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This is a 12x4 white linear slot diffuser, also called a modern AC vent cover. It can be used in ceilings, walls and floors, and works as a supply vent cover or a return vent cover. It is a decorative, non-filter model.
The body is commercial grade solid extruded aluminum with welding. It has an electrostatic paint finish that resists dust and is easy to clean. The decorative directional dampers send air in a 90-degree spread, and can be adjusted to one side or the other.
The cover is decorative, not structural. It can be used as a floor vent cover, but it is not designed to support weight, and adding weight is not recommended. When used as a return vent cover, set it fully open or remove the directional dampers.
