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. Healthier lifestyle: Regular filter replacement helps maintain clean indoor air by capturing household dust, pollen, and mold spores. A clean filter supports efficient vacuum performance and improved air quality. Easy to installsimply replace the old filter and resume cleaning. Compatible with Rainbow models using part numbers R12179 and R12647B. Save money: A clean air filter helps your vacuum operate efficiently, reducing strain on the motor and potentially lowering energy consumption. Our products are made with high-quality materials to deliver reliable performance. We aim to ship orders within three business days. Estimated delivery time is 815 days. Please check product dimensions before purchasing to ensure compatibility. Detailed specifications are provided in the product title and description. We want you to be satisfied with your purchase. If you have any questions, feel free to for support. Thank you for choosing our product. We hope it meets your needs.