The Drillbrush Power Scrubber brand is the industry standard for drill powered cleaning tools. Established in 2007, we have been designing and innovating brushes based on feedback and demand from our valued customers. Our brushes are professional quality and have been tested and approved by commercial cleaners, marinas, detail shops, and others industry "hands on, daily user" reviewers to be the absolute best solution for a wide variety of cleaning and scrubbing tasks. Always look for the "Drillbrush Power Scrubber" logo to insure you are buying an authentic Drillbrush from the leader in drill powered cleaning brushes. Drillbrush was established in 2007 and continues to offer reliable, professional quality cleaning products. All Drillbrush Products have a 90 day no questions asked return window. If you are not completely satisfied with our product we will issue a full refund or ship out a replacement at the buyer's request. Cordless Drill NOT included Hot Tub brush clean Spa walls, vinyl liners, steps and corners. Keep deck free of slippery algae The Blue Original is perfect for rounded corners below deck, carpeting, swim steps, and fiberglass Included 5-inch extension allows for greater access and reach to scrub around your spa or pool 5-inch extension allows you to hold the housing for precise control while the shaft spins inside All Drillbrush Products have a 90 day no questions asked return window. If you are not completely satisfied with our product we will issue a full refund or ship out a replacement at the buyer's request. Cordless Drill NOT included