✅【Better material】:stainless steel thickened material Thicker and more rust-proof.Better quality than ordinary stainless steel. And the product has been black painted, which is beautiful and rust-proof. ✅【puunkeey Features】:The vent cover is designed a Square flat cover with 45°Louver to prevent rainwater from flowing in; and built in fine mesh grille to stop sundries and small pet from entering the house. ✅【Size selection】:Opening dimensions: 5.9 x 5.9 Inches. Outer dimensions: 7.85 x 7.85 Inches. Ideal for room exhaust and intake ventilation use. ✅【Great and beautiful design】 Easy Installation - available for wall mounting or ceiling mounting. ✅【About Puunkeey】 made to be used for home improvement, office improvement. They are portable, crafted with great workmanship, and built to last. Puunkeey - 8" x 8" Inch - Black -Stainless Steel Metal Vent Cover - Square Soffit Air Vent Louver - Grille Cover - Built-in Insect Screen - HVAC Vents for Bathroom, Home Office, Kitchen