- 340 x 280 x 9 mm metal grid ventilation filter designed for most leading hood brands and standard ventilation slots. Durable construction stands up to regular use. - 5 layer aluminized grease filtration provides strong grease capture, helping protect the ductwork and keep hood performance at its best. - Easy installation replaces old filters in minutes. Remove the old filter, align the new one with the interface, and install it in place. No tools required. - Maintains air circulation while effectively removing grease and particulates from the kitchen. For best results, replace every 3 to 6 months depending on cooking volume. - Compatibility and fit: fits a wide range of popular range hoods and ventilation slots, making it a versatile replacement option. - Use scenarios: high grease environments in home kitchens with frequent frying; apartments or small homes with limited maintenance access; compact commercial or food prep areas where reliable grease filtration helps protect the exhaust system.