Square 6-inch exhaust fan size of burial (20*20 cm) (7.87 inches)

Basic technical specifications: Type: Ceiling / wall exhaust fan (concealed). Size: 6 inches (200 mm). Installation frame size: 20 × 20 cm. Electrical power: 25 watts. Voltage: operates on direct current (220 volts / 50 Hz). Rotation speed: 1300 revolutions per minute. Noise level: 50 decibels (quiet operation). Recommended coverage area: 15 to 25 square meters (ideal for small spaces). Design and performance specifications: Motor: made of 100% copper wires to ensure high efficiency and long-lasting durability. Heat and corrosion resistant, suitable for continuous use. Fan blades: axial flow design to achieve effective and smooth air distribution. Made of lightweight and rust-resistant materials. Installation base: 20×20 cm installation opening, suitable for easy wall or ceiling installation. External cover: white color, easy to clean, and resistant to dirt. Ventilation system: noise-reducing design while maintaining ventilation efficiency. Additional features: Efficiency: low power consumption (25 watts) with high performance. Easy maintenance: can be cleaned easily without complex tools. Warranty: two-year warranty against manufacturing defects.