The Duplex Black 420 Brush is a durable replacement brush designed exclusively for the Duplex 420 floor cleaning machine. Crafted with high-quality materials, this brush is specifically engineered to effectively agitate and lift dirt, grime, and debris from various floor surfaces, including hard floors and carpets. Its seamless compatibility with the Duplex 420 machine ensures optimal cleaning performance and efficiency. Easy to install and replace, the Duplex Black 420 Brush offers convenience and reliability during cleaning tasks. With its robust construction, this brush is built to withstand frequent use and provides long-lasting durability. Please note that the Duplex Black 420 Brush is sold separately and is tailored for use with the Duplex 420 floor cleaning machine.