STAINLESS STEEL MATERIAL: The ventilation grilles is made of stainless steel, which is anti-corrosion, rust- proof and oxidation-resistant, and is not not easy to deform. The surface is smooth and the edge curvature is natural. HONEYCOMB GRID DESIGN: The circular vent mesh design has 53 honeycomb- shaped small round holes with a diameter of 3 mm, which has good ventilation and air permeability, while preventing insects such as cockroaches from entering. EASY INSTALLATION: This exhaust port installation does not require too much effort and can be directly installed in with holes of the same diameter. The vents grid can be recessed or glued easy surface mounting, Internal and external mounting. DIMENSION: The bottom diameter of the vents grid is 53 mm/2.
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