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 Rainbow E2-Series vacuums. Maintain a healthier home environment by replacing old or dirty vacuum 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. Designed to be compatible with original Rainbow part numbers R12179 and R12647B. Using a clean, high-performance air filter helps maintain vacuum efficiency. A clogged or dirty filter can make your vacuum work harder, potentially reducing its effectiveness. Our filters are made with durable, high-quality materials to support long-term performance and reusability. Always verify product dimensions before purchase to ensure proper fit. Refer to product title and details for full specifications. For any questions regarding this product, feel free to reach out through Amazon messaging. We aim to provide excellent customer service and support. Thank you for choosing this product. We hope it meets your expectations and enhances your cleaning experience.