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 E2-Series vacuum. Healthier lifestyle: Regularly replacing your vacuum filter helps maintain cleaner indoor air by capturing household dust, pollen, and mold spores. A clean filter supports efficient vacuum performance and improved air quality. Easy to install—simply replace the old filter and resume cleaning. Compatible with Rainbow E2-Series canister vacuums. Compare to original part numbers R12179 and R12647B. Save energy: A clean air filter allows your vacuum to operate efficiently, reducing strain on the motor and helping maintain optimal airflow. Made with high-quality materials designed for durability and effective filtration. Please verify product dimensions before purchase to ensure proper fit. Refer to product title and details for full specifications.