Replacements for Rainbow E2 HEPA Style Filters fit E2-Series, compatible with part numbers R12179 and R12647B. Washable and reusable design. Approximate size: 10x10x50mm (0.34x0.34x1.97in). High-quality air filter replaces existing Rainbow HEPA exhaust filter. Helps restore clean air performance in your vacuum system. Designed for use with Rainbow E2-Series vacuums. Promotes a healthier living environment by capturing household dust, pollen, and mold spores. A clean filter helps maintain optimal airflow and vacuum efficiency, contributing to better indoor air quality. Easy to installsimply replace the old filter and resume cleaning. Direct comparison to original equipment part numbers R12179 and R12647B. Washable and reusable construction allows for long-term use. Regular maintenance helps prevent strain on the vacuum motor and supports consistent performance.