General description Premium Materials - Made of stainless steel, this wall ventilation grille is a safe, solid, durable, and rustproof solution for modern homes. Its fine workmanship and beautiful appearance make it an ideal kitchen tool. Technical specifications Diameter: 180 mm Material: Stainless steel Installation Easy to install with a reverse buckles design for perfect fixation on ceilings or walls. Adjustable regulating valve for easy control. Usage Suitable for bathtub vents, kitchen extractor hoods, air conditioning units, and air evacuation pipes. The circular mesh structure enhances wind circulation, creating a fresh and odor-free living and working environment.