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 to help restore clean air output. Designed for use with Rainbow E2-Series vacuums. Maintaining a clean filter helps improve air quality by capturing household dust, pollen, and mold spores. A fresh filter supports efficient vacuum performance and cleaner exhaust air. Easy to installsimply replace the old filter and resume cleaning. Compatible with Rainbow part numbers R12179 and R12647B. Washable and reusable construction helps support long-term use. A clean filter may help maintain optimal airflow, reducing strain on the vacuum motor. Check product dimensions before purchase to ensure proper fit. Refer to product title and details for full specifications. We aim for complete customer satisfaction. For any questions regarding the product, feel free to reach out for assistance.