Louvre Series: All steel construction floor vent with durable epoxy powder coat finish. Twin blades for maximum airflow. Wide range of colours. Rust proof damper boxes. Hidden and recessed levers for clean lines.Metal Series: (Victorian and Wicker) Solid brass or other plated metals. Modern or traditional Victorian designs. Hidden and recessed levers for clean lines. Rust and rattle-proof damper box.Marquis Series: Classic cast iron or heavy gauge steel. Ideal for either traditional or contemporary look. Hidden and recessed levers for clean lines. Rust and rattle-proof damper box.Wood Series: Made exclusively from North American red oak. Pre-stained with durable clear finish or unfinished for exact colour matching. Hidden and recessed levers for clean lines. Compliments wood flooring. Rust and rattle-proof damper box.