Description: This protective grille is suitable for 100*100 mm pipes. This external grille is made of 304 stainless steel, making it durable, rust-proof, and corrosion-resistant. The draft flaps on the back of this hood grille can reduce the effects of wind and rain. This type of square stainless steel exhaust grille is equipped with draft relief flaps, fixing screws, fixing clips, and a gasket. This ventilation opening is ideal for tumble dryer ventilation pipes, bathroom vents, air conditioning units, kitchen fans and vents, electric tumble dryers, range hood fans, and many other industrial uses. Specification: Color: silver Diameter: 100 mm Size: as shown Material: stainless steel Package includes: 1 * Air Grille Note: Please allow a small error. Note: Data is measured manually, please allow 1-3 cm error, due to the difference in light and display there will be some color difference, the actual received object shall prevail.