Vent Systems 3" x 10" Inch (Opening Dimensions) Black Plastic Air Vent Cover - 5 Pack - Rectangular Return Grill with Mesh Screen - HVAC Ventilation Grill for Home Improvement - Indoor, Outdoor Use

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FITS STANDARD 3” x 10” OPENINGS – Designed for rectangular return vents, exhaust system and HVAC ducts ducts that are no bigger than 3.19" x 9.80". Ensures perfect compatibility with common home ventilation setups. !! CHECK SIZE IMAGES BEFORE PURCHASE !!
LIGHTWEIGHT PLASTIC – Built from lightweight, UV-resistant plastic to withstand sun, rain, snow, and changing temperatures without fading, cracking, or warping. Reliable long-term outdoor use.
BUILT-IN MESH SCREEN – Protective mesh prevents dust and debris from entering your ductwork. Louvered grille design improves airflow efficiency while keeping your ventilation system clean and safe.
EASY DIY INSTALLATION – Mount the vent cover with the flat side against the wall and the vent projection facing outward. Pre-drilled screw holes allow quick installation with basic tools. Can also be installed as a door vent, cabinet vent or toe kick vent cover. For door installations, two grilles (2-pack or two units) are recommended to cover both sides of the door. (SCREWS NOT INCLUDED)
INDOOR & OUTDOOR APPLICATIONS – Ideal for use in bathrooms kitchens utility rooms garages or exterior walls. Enhances HVAC efficiency while protecting ducts.