Fuliko 14x14 Inch Plastic Ventilation Grille, Return Air Vent Cover Removable Vent Filter Grilles with Built-in Screen for Wall or Ceiling HVAC Vents,

Color: White; Applicable Duct Opening Size: 350 350mm / 14 14 inch (*); Package : 1 Ventilation Grille Advantage: Made of plastic, smooth surface, temperature-resistant, sturdy, , and not prone to color-fade. It louver design, and with built-in filter, it can effectively dust from entering the interior and keep it dry. The vent cover has removable face/door, which allows you to maintain and clean easily Instruction: 1. Attach and embed the vent cover to the ventilation duct opening. 2. the vent cover to the duct opening with screws (not included). Application: This vent cover acts as return air vent grille, designed for optimal airflow, increasing the efficiency of HVAC , and it helps maintain air pressure and air by filtering out debris. Suitable for residential and heating, ventilation, and air conditioning uses. It is appropriate for temperatures ranging from -4 ° to 176 °. Note: 1. Clean the filter of the vent grille periodically to maintain its ventilation . 2. Verify the dimensions attentively before purchasing. The duct opening size should be at 5mm larger than the inner of the vent grille.