(1-Pack 12" BP90 Spring Bathroom Exhaust Fan Cover 12-1/4" x12" Vent Cover Replacement Compatible with Broan-NuTone Square Ceiling or Wall Mount Fits Models BP46 663 670 671 675 688 689 White

1.Color: The color change you see is most likely not from the plastic itself, but a visual illusion caused by lighting (bulbs/sunlight). The bathroom fan cover fits most household bathrooms or accessories. Size: 12 inches x 12 inches, with 9 inches between the spring clips. The spring width fits 9 inches / 23 cm installations, with an installation tolerance of 0.7 inches / 2 cm, suitable for most standard bathtub fans. Before purchasing, please check that the fan size matches to avoid delays and ensure compatibility with the fan duct. | 2. 360 efficient ventilation The stepped grille design ensures even airflow distribution. Quickly remove steam, odors, and moisture for fresher air. Prevents corner stagnation by promoting circulation throughout the room. | 3. Durable and safe material Thickened ABS plastic, heat-resistant, rust-proof, and anti-condensation. Thickened construction for long-term use without warping. Eco-friendly and easy to clean. | 4. Quick and tool-free installation The fixed rear spring design allows for individual installation in 3 simple steps. Extended springs and gloves are included for added convenience. Suitable for a wide range of ceiling/wall thicknesses. | 5. Fashionable and simple style The classic white finish blends seamlessly with modern dcor. Suitable for both wall-mounted and ceiling-mounted fans. Pro Tip: Use it with anti-adhesive strips for enhanced sealing and airflow efficiency.