[Perfect Fit]:, with spring clips spaced 7inch apart, ensuring a perfect fit for most standard bath fans. Before purchasing, we recommend checking your Ventilation Fan Grille's size to ensure compatibility with your Fan Exhaust. [Even & Wide Air inlet Distribution]: Crafted with a unique step-down structure grille design, our bathroom exhaust fan cover guarantees 360-degree even air inlet distribution, preventing overheating or over-cooling. Ensures efficient airflow, swiftly removing odors for a fresh, comfortable home. [Built to Last]: Our bathroom vent cover is constructed from premium eco-friendly plastic, offering exceptional durability and heat resistance. Unlike metal covers, its unique composition minimizes condensation, ensuring reliable, long-lasting performance in maintaining optimal ventilation for your bathroom. [Effortless Installation]: The bathroom vent fan cover without any tools required, the grille can be easily set up with the springs for fixation on the back side. With minimal DIY skills, you can secure it yourself, saving on installation costs while ensuring a stable fit that prevents rattling. [Widely Applicable]: The exhaust fan cover fits square ceiling or wall-mounted exhaust fans, bathroom fans, and ventilation fans, also serving as an air diffuser. Its classic white color seamlessly matches various ceiling colors, Colour:White Material:Plastic Size:24.5x24.5cm Package Contents: 4x Bathroom Exhaust Fan Cover