Amazon.com: MEIBEI Deck Brush, Stainless Steel Wire with Long Handle 43", Perfect for Algae, Tough Stains on Concrete, Walkways, Patio and Swimming Pool : Patio, Lawn & Garden
Boat Deck Brush, with Water Flow-Through System - FO4263
Quickie Professional Wood Block Deck Scrub Brush 223TCNRM - The Home Depot
10" Boat Deck Brush Heads (Stiff, Medium, Soft, Extra Soft) - Shurhold Industries, Inc.
Amazon.com: Weiler 44026 Heavy Duty Deck Scrub Brush with Natural Palmyra Bristles for Wooden Decks, Conrete Patios, and Other Rough Surfaces : Industrial & Scientific