Ventilation Grille 125 mm, 304 Stainless Steel Non-Return Valve, Weather Protection Grille, Air Vent Rubber Ring Screws

Made of SUS304/2B stainless steel anti-corrosion heat-resistant properties, long-term use environments without rust damage, suitable kitchens places humidity. Made stamping, stretching, grinding welding processes smooth appearance structural stability deformation. internal stainless steel slats angled 45 degrees secondary rain protection, rainwater entering room, ventilation sealing, indoor outdoor use. encrypted design stainless steel grid rodents, insects debris entering, avoids blockage ducts grid obstruction, maintains operation exhaust system clog-free air flow. 4 moving blades, mosquito net, rubber seals assembly screws. installation process takes minutes. insert ventilation grille ventilation duct pipe, insert 4 screws wall complete installation process.