Part Number: Registers, Diffusers, and Vents Item Weight: 2.4 ounces Product Dimensions: 4.92 x 1.81 x 4.8 inches Size: 3 inches Finish: Finished Material: 304 Stainless Steel Shape: Round Power Source: Corded Electric Voltage: 1W Wattage: 1 Installation Method: Wall mount Sound Level: 1 dB Usage: Outdoor areas Batteries Included?: No Batteries Required?: No Capacity: 1 Cubic Centimeter These stainless steel air vents feature a round flat cover with a 45-degree louver design. They are waterproof and rust-resistant, with built-in mesh to prevent unwanted pests. Please handle with care due to the peaked edges. MATERIAL Constructed from high-quality stainless steel, these vents are environmentally friendly, safe, sturdy, and durable, resisting rust and corrosion. They add a modern touch to any home. DESIGN The round flat cover with a 45-degree louver design and built-in fly screen provides additional rain protection and prevents small animals from entering the house. EASY INSTALLATION The air vent can be adjusted for optimal airflow using its regulating valve. It's easy to install on ceilings or walls and can be easily disassembled for cleaning. WIDELY USE This ventilation duct cover is ideal for indoor exhaust, with low noise levels, making it suitable for bathroom vents, air conditioning units, kitchen fans, and more. SPECIFICATION Designed for a 3-inch circular pipe-ducting hose.