Replacement Brush Head for ErgoToiletBowlBrush System. Attaches quickly to handle included in the ErgoToiletBowlBrush System (sold separately). Unique brush head shape for easier access to hard-to-reach areas; cleans more effectively in less time. Reusable and replaceable nylon heads will not harbor harmful bacteria. Color-coded red for restrooms 3.5" dia. 5 Packs per Case. 2 Brush Heads per Pack.