(4 Pack) Eureka DCF-4 and DCF-18 Premium Scented Filters for Eureka 4700, 5500 Series Uprights. Brand New - Unused Parts Top Quality, Generic Aftermarket Part Includes One (1) HEPA Filter as pictured An Absolute Essential for Allergy Sufferers - Traps 99.97% of Household Airborne Particles. Dimensions: Approximately 6" Tall (including top tabs) x 2-7/8" across the top x 3-1/4" across the bottom of this circular filter and the hole diameter is 1-1/2" Change Filter Up to Every 90-120 Days for Optimum Performance Washable and Reusable Washing Instructions: Unplug the vacuum from the electrical socket. Tap the filter gently on the side of the garbage can so that most of the dust falls in. Rinse outside surface of filter with running water. Make sure to air-dry the filter thoroughly and completely (24-48 hours) before you replace it in the vacuum cleaner.