Replacements for Rainbow E2 HEPA Style Filters fit E2-Series, compatible with part numbers R12179 and R12647B. Washable and reusable design. Dimensions: approximately 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: Maintaining a clean vacuum filter helps improve indoor air quality by capturing household dust, pollen, and mold spores. A fresh filter supports cleaner exhaust air and better overall air cleanliness. Easy to install: Designed for simple replacement with no tools required. Compatible with Rainbow E2 models. Compare to part numbers R12179 and R12647B. Energy efficient: A clean air filter helps maintain optimal vacuum performance, allowing the motor to operate efficiently and reducing strain on the system. Made with high-quality materials to ensure durability and effective filtration. Designed for reliable performance and long-term use. Please verify product dimensions before purchase to ensure proper fit.