[Easy Installation] Please confirm the dimensions first: 12.1”x12.1” grille, 8.8”x8.8” ceiling cutout, 4” duct (duct not included). No attic access is required for replacement, saving you valuable time and effort. [Whisper Quiet Fan] Running at just 0.9 sone (≈37dB), this fan delivers ultra-quiet performance for undisturbed relaxation and peaceful daily use. Enjoy consistent comfort and tranquility each time you use your bathroom. [Custom Color Choice] Choose from 5 fixed color temperatures (2700K, 3000K, 3500K, 4000K, 5000K) before installation. Select the tone that best suits your decor and creates your desired bathroom ambiance. [Smooth Dimmable Light] Brightness adjusts smoothly from 10% to 100% for complete flexibility. Use a soft nightlight for late-night visits or full brightness for makeup application, with no harsh transitions or flickering. [Ideal Bathroom Size] Designed to fit standard 8.8”x8.8” ceiling openings, ideal for new construction and replacement projects. Optimized for 70–80 sq. ft. bathrooms, it provides fast air circulation to keep your space fresh and dry. [True Color Lighting] Boasting a 90 CRI high color rendering index, it displays makeup, towels, and decor in their real, vibrant hues—no washed-out tones, allowing you to look and see your best. [Trusted Amico Care] Backed by 3-year product support and 24/7 customer service, our dedicated team is always ready to assist. You can trust this fan to deliver consistent, reliable performance for years to come. Amico Bathroom Exhaust Fan with LED Light, bath fan, vent fan, 80 CFM, 0.9 Sones, 1000LM, 5CCT, 90 CRI, Ceiling Mount Shower Ventilation Fan, No Attic Access Needed, 4 Inch Duct, ETL Certified