The Eureka HF-11 Vacuum Filter is a brand new, sealed filter kit designed specifically for Eureka 4230 series upright vacuums. This filter is compatible with the Eureka brand and is an essential component for maintaining the optimal performance of your vacuum cleaner. Easy to install, this filter helps to keep your vacuum running efficiently and effectively, ensuring that your home remains clean and healthy. Upgrade your vacuum cleaning experience with this high-quality Eureka filter.