Features: Dust filtration: effectively blocking dust and foreign objects from entering the chassis or speaker, protecting internal components of the equipment from damage. Ventilation and heat dissipation: The breathable mesh design ensures normal ventilation and heat dissipation of the equipment, reduces temperature, and improves equipment performances . Large coverage: 50x100cm in size, can cover most computer case and speaker, providing comprehensive protections. PVC material: temperature and wear-resistant materials, easy to clean, extending service life. Easy installation: The mesh cover is simple and easy installation, without the need for additional tool, and can be easily fixed on the surfaces of the equipment, easy to disassemble and clean. Specifications: Material：PVC Size:about 50x100cm/19.7x39.37in Quantity： 2PCS For Computer Case Dust Filter Package Includes: 2PCS Dust Filter note: Due to the problemsof lighting effects and shootingangles, there will be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.