⚠️ CHECK SIZE BEFORE PURCHASE – Listed size 12"x4" = fits duct opening 12"x4". Neck size: 11-13/16" x 3-13/16" (± 1/8") – fits inside the duct opening. Face size: 13-3/4" x 5-3/4" (± 1/8") – this is the visible cover on the wall, ceiling or floor. Please measure the duct opening carefully (not the old vent cover’s face size) before ordering. Choosing the wrong size is the #1 reason for returns. PREMIUM ALUMINUM DIFFUSER – GREEN VENT Premium Aluminum Air Vent Diffuser with Black Linear Blades. Crafted from solid aluminum alloy that is rust-proof, warp-free, and built for long-term durability. Expertly engineered and MADE IN VIETNAM – U.S QUALITY STANDARD, this 4x12 vent cover and linear slot diffuser delivers smooth airflow distribution for walls, ceilings, or floors in bathrooms, kitchens, and living rooms. MODERN ARCHITECTURAL DESIGN – Decorative vent grill cover with white aluminum frame and black linear blades. Hidden side screw holes create a seamless finish, ideal for wall vent cover, ceiling vents 4x12 or 12x4 wall registers QUIET & ADJUSTABLE AIRFLOW – Engineered with aerodynamic black linear blades that direct airflow smoothly and reduce noise. Includes an adjustment bar for easy airflow control using simple tools. Wider slots provide higher air volume and quieter performance compared to standard vent designs. Works as a hvac register cover, ceiling register 4x12 white or floor register 4x12 white replacement. EASY INSTALLATION & SUPPORT – Designed for retrofit use, this register vent fits standard duct openings and installs easily in minutes. Please follow the installation guide for best results. If you need help, GREEN VENT support is always available. Suitable for supply or return air vents, ac ceiling vent covers or modern air registers.

MODERN AIR VENT : Elevate your living space with our white vent cover wall & ceiling. Effortless installation, lasting quality, and a noise-reducing advantage make this HVAC return air grille vent cover the perfect blend of style and functionality. Redefine your home's aesthetic with decorative return air grille that stand out.

 

ALL-IN-ONE SOLUTION, HEALTHY LIVING: Take a step towards a healthier home improvement with our modern ac vents covers that comes complete with a complimentary air filter. Guard your home against dust and allergens, enhancing your indoor air quality. This all-in-one solution ensures you not only enjoy a stylish living space but also breathe cleaner, fresher air.

 

OPTIMAL AIRFLOW DESIGN, PEAK PERFORMANCE: Elevate your ventilation system with our cold air return grilles featuring fixed parallel blades set at a precise 45° angle. This carefully engineered design guarantees efficient and unrestricted airflow, allowing your HVAC vent cover system to operate at peak performance. The angled blades create a streamlined pathway for air, reducing resistance and enhancing overall efficiency.

 

SEAMLESS TRANSITIONS, ELEGANT SOLUTION: Say goodbye to unsightly transitions with our air vent covers ceiling & wall that seamlessly blends into your space. The extruded frame ensures a flat and polished finish, making it a seamless addition to your walls or ceilings. Transform your home with white vent cover, an elegant solution that harmonizes with your decor. 

 

NOISE CANCELLING VENT COVER: Experience year-round comfort with our air duct vent cover designed for efficient airflow. The reduced wind resistance not only improves your HVAC register covers the system's performance but also minimizes noise. Enjoy a noise-free living space where comfort and tranquility coexist effortlessly.