Wholesale Aluminum White Linear Slot Diffuser 10x4 Pack 2 (Duct Opening)- Modern Air Vent Cover

* ⚠️ CHECK SIZE BEFORE PURCHASE – Listed size 10"x4" = fits duct opening 10"x4". Neck size: 9-13/16" x 3-13/16" (± 1/8") – fits inside the duct opening. Face size: 11-3/4" 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. Made from solid aluminum alloy, rust-proof and warp-free. A reliable 4x10 vent cover and linear slot diffuser option 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 4x10 or 10x4 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 4x10 white or floor register 4x10 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. * Made in Viet Nam