Features:-Big size, enough for your daily use needs. Suitable for the vent of most fans and windows.-The wire mesh is made of 304 stainless steel material, which is strong and durable, not easy to rust, anti-corrosion, will not leave rust stains on brick or wood, easy to maintain. In addition, it has high tensile strength, high temperature resistance, and can be used for a long time.-The wire mesh is fine and evenly distributed, which can be used as a filter in construction and industry, it can also be used to prevent small animals from entering your yard or home and control flying insects on doors and windows while maintaining ventilation.-The fine wire mesh is flexible and durable, and can be cut into different shapes and sizes according to your needs to a.