ORDERING CORRECT SIZE: Always measure the duct opening size to determine which size to purchase. If your duct opening size is 4-1/2” diameter, the order size will be 4-1/2” listing (Duct opening = Listed size). Overall size of the grille will be 6”. These handcrafted grilles can be used for floor, wall or ceiling openings. SUSTAINABLE & QUALITY MATERIAL: Handcrafted in Solid Sand Cast Aluminum with heavy gauge face plate thickness of approx. 1/4" (6.35 mm), these vent covers are built for durability. Aluminum metal has property of being rust and corrosion resistant in any weather condition. HANDCRAFTED: These vent covers are 100% handcrafted and originate with artist’s vision. Using old world technique by first making a wooden mould and then sand casting it in molten metal, these vents are brought to life after passing many skilled hands. EASE OF INSTALLATION: FOR FLOOR: installation is gravity drop. Overall back frame/lip of 1-7/16” height is provided to interlock with duct opening and prevent movement on fixing (back frame is kept 1/8” smaller than actual duct size) FOR WALL/CEILING: Counter sunk screw holes, provided with matching screws. The Achtek Round Vent from Registers and Hardware fits seamlessly into floor openings without the need for tools ensuring a quick and hassle-free setup. For wall and ceiling installations, these grilles have countersunk screw holes and are provided with matching colour screws. This makes the installation process smooth and efficient, ensuring your vent covers are securely and aesthetically installed. DURABLE: Our vent covers are suitable for cool and hot airflow as well as fireplace grills. The heat-cured, fine grain powder-coated finish ensures durability and long-lasting performance. RUST-RESISTANT: The durable metal construction ensures easy maintenance and long-lasting quality. Rust-free metal makes Achtek vent covers ideal for both residential and commercial use and may be used indoors as well as outdoors. RECYCLABLE MATERIAL: Made from recyclable and sustainable Aluminum, this air duct cover is cost-effective and eco-friendly. Lightweight yet strong, it offers long-term durability. Versatile Usage: Suitable for kitchens, bathrooms, living rooms, bedrooms, dining rooms, offices, dens, foyers, hallways, porches, and garages, these versatile vents ensure proper ventilation throughout your space. DESIGN COVERAGE / EMPTY AREA RATIO : The Achtek vent is designed, making the optimum use of coverage across the grate for durability, delivering adequate flow of heated or cooled air from the air duct along with minimizing the incidence of chair legs and shoe heels going into the open space of the design The Achtek design is an octagonal design representing the number eight which is symbolic of Renewal and Regeneration and as per Feng Shui is considered a symbol of protection & to ward off negativity. It is also seen as a symbol of good health and fortune. ELEGANT DESIGN: The vents showcase an elegant design that enhances any space with its sophisticated and visually appealing shape. QUIET OPERATION: Our vents are crafted to operate quietly and prevent any rattling noises, ensuring a peaceful and enjoyable environment in your space. High Velocity: Suitable for high velocity applications, odd sizes, and walkable areas, this sturdy metal vent cover blends decorative appeal with functionality.