About This

• ⚠️ CHECK SIZE BEFORE PURCHASE – Listed size 8"x4" = fits duct opening 8"x4". Neck size: 7-13/16" x 3-13/16" (± 1/8") – fits inside the duct opening. Face size: 9-3/4" x 5-3/4" – 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 4x8 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 4x8 or 8x4 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 4x8 white or floor register 4x8 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.