Replacements for Rainbow E2 HEPA Style Filters fit E2-Series, compatible with part numbers R12179 and R12647B. Washable and reusable design. Approximate size: 10x10x50mm (0.34x0.34x1.97 inches). High-quality air filter replaces existing Rainbow HEPA exhaust filter. Designed to fit Rainbow E2-Series vacuums. Helps restore clean air output and improve vacuum performance. Maintain a healthier living environment by replacing old or dirty filters. This filter helps capture household dust, pollen, and mold spores from the vacuum exhaust. Easy to install—simply replace the old filter and resume cleaning. Compatible with Rainbow part numbers R12179 and R12647B. Using a clean 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. Constructed with durable materials for long-lasting use. Refer to product images and specifications for details. Always verify dimensions before purchase to ensure proper fit.