1.EFFECTIVE FILTRATION This metal mesh exhaust filter measures 400 x 275 x 9mm and is designed to fit most leading brands of cooker hoods and vents. It uses 5 layers of aluminized grease filtration to effectively trap grease and prevent it from entering the ventilation system, better filtration and maintaining peak performance. 2.Easy installation: replacing the old cooker hood filter is a breeze. Remove the old filter and find the interface of the clean filter. Confirm the interface consistency and install the filter without any problems. 3.Air circulation and removal: This metal mesh exhaust filter allows air to circulate and effectively removes unpleasant odours. It helps to maintain the performance of your cooker hood, a fresh and kitchen environment. It is recommended to replace the filter every 36 months to achieve optimal performance. 4. and Made from materials, this filter is built to last. It can withstand regular use and effectively filters grease and impurities, cleanliness and functionality for your cooker hood.