Replacements for Rainbow E2 HEPA Style Filters fit E2-Series, compatible with part numbers R12179 and R12647B. Washable and reusable design for long-term use. 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 to fit Rainbow E2-Series vacuums. Maintain a healthier living environment by replacing old or dirty filters. A clean filter helps reduce household dust, pollen, and mold spores from being released back into the air. Easy to install—simply replace the old filter and resume cleaning. Compatible with Rainbow part numbers R12179 and R12647B. Using a clean, high-performance air filter helps maintain optimal vacuum efficiency. A clogged or dirty filter can reduce airflow and cause the motor to work harder, potentially affecting performance. Our filters are made with high-quality materials to help provide reliable filtration and durability. Please verify product dimensions before purchase to ensure proper fit. For any questions regarding the product, feel free to reach out through Amazon messaging. We aim to provide clear, accurate information to support your purchase decision.