Dogit Impeller Brush Replacement for Dogit Design Fresh and Clear Large Dog Drinking Fountain Reversible argyle raincoat Fits Dogit Design fresh and clear large dog drinking fountain Used for cleaning dirt/debris from impeller well of drinking fountain pumps For use with all Dogit (and Catit) drinking fountains Measures-2/5-inch length by 3-4/5-inch width by 6-5/7-inch height