Featuring antimicrobial protection of the brush fibers. Extension bristles for hard to reach areas. Clorox committed to helping you achieve a Cleaner and Healthier Home. Antimicrobial materials, which protect against odor-causing bacteria, mold and mildew, are build into the brush fibers providing continuous protection that won't wash off, or wear away. Customer Support. Toll Free: 1-800-320-8045 9 am - 5 pm EST. Discover more tools that keep your home happy and healthy at www.cloroxtools.com. Made in China.