The Crucial Vacuum Eureka DCF21 DCF-21 Washable Dust Cup Vacuum Filter is a high-quality replacement filter designed specifically for Eureka vacuum cleaners. With a capacity of 0.5L and a white color, this filter is compatible with models 67821, 68931, and 68931A. This filter kit includes one filter and is easy to install, providing an efficient and convenient solution for keeping your Eureka vacuum cleaner operating at its best.