Crafted from high strength, wear resistant, these low noise gears ( under 50dB) feature tooth for smooth rotation and extended durability, lasting up to 3 years under daily use Perfect for quiet nighttime cleaning in bedrooms, under furniture, or along baseboards where thorough debris pickup is critical for hygienic living spaces Ideal for pet owners, allergy sufferers, or busy households seeking maintenance of robotic vacuum parts to tackle persistent pet hair and accumulation Engineered as direct replacements for worn out components, these robotic vacuum cleaners parts minimize downtime and maintenance costs while preserving original equipment specifications Upgrade your robotic vacuum cleaners ' s efficiency with these precisions engineered side brush gears, designed for seamless compatibility with 95% of mainstream intelligent sweeping robots to enhances corner debris removal