(30X21cm) 6 pieces stainless steel insect screen, fine mesh, corrosion-resistant fine mesh garden gutter filter. 【Fine mesh】: The mesh surface is smooth and burr-free, and the mesh is fine and even. It not only works well as a ventilation grille, but can also be used to protect air conditioning condensers, vents and drains, roof boxes, etc. The stainless steel mesh can also be used as a sieve to prevent leaves and stones from entering the drain. 【Filter + insect protection】: The main use of multifunctional mesh is insulation and barrier. It can prevent leaves from entering the external drains. The fine mesh keeps away pests such as mice, rabbits, moths, flies and various mosquitoes. In addition, the fine mesh can be used to filter small objects and is ideal for repairing doors, windows, cars, etc. 【High-quality stainless steel】: The mesh is made of high-quality 304 stainless steel, with a smooth surface, uniform thickness, not easy to rust and corrode, strong and durable, wear-resistant, long service life, not easy to bend and break. It has strong protective properties and can be safely used in drains or outdoors to prevent rats from entering the drain. 【Easy to cut】: You can use metal cutting shears or heavy-duty household scissors to cut the mesh into different shapes and sizes to meet your needs. Depending on the installed size, it is easy to use and easy to maintain. The fine mesh is tightly woven and not easy to scratch. 【1 pack of 6 meshes】: The set includes 6 pieces of mesh, size 21 x 30 cm, hole diameter 1 mm, 20 mesh, smooth surface without burrs, regular structure. The quantity is sufficient to replace and install the meshes in time. It is a good helper to solve the problems in your life. You can use it at any time according to your needs. Packing list: 6 pieces of wire mesh (other products are not included). The data is measured manually, please accept an error of 1-3 cm. The color may vary depending on the light. Please refer to the product you received.