Thank you for viewing! ☆ Instant purchase OK ☆ Same-day shipping ☆ Brand new, unused Metal slit design ventilation fan cover, 30cm x 30cm size, wall mountable. 【Classic Louver Design】 The square register features a classic louver design, adding elegance to any space while ensuring efficiency. 【High-Quality Material】 The overall frame structure of this product is made of aluminum alloy, which is waterproof, easy to maintain, and structurally robust. 【Easy Installation】: This aluminum alloy ventilation window is designed for stability, durability, and easy installation. Suitable for various locations such as residential, commercial warehouses, office buildings, subways, basements, and factory warehouses. 【Wall or Ceiling Vent】: Suitable for most standard ventilation systems, easy to install, and can be used for wall or ceiling mounting. - Size: 30cm x 30cm - Design: Slit design - Material: Metal - Mounting method: With holes for wall mounting Ventilation grille louver, ventilation opening, linear bar grille, aluminum return grille directional vent cover, for bathrooms, factory walls, kitchens, stainless steel, air exhaust duct grille, with insect screen, ventilation hood with movable weatherproof louvers, easy to install, 30cm x 30cm 6-276