Rug Doctor's MAX Advanced Multi-purpose Deep Carpet cleaner is our best and most powerful commercial-grade formula. Scientifically formulated to rejuvenate heavily soiled carpet by removing the toughest, embedded dirt, stains and odors like smoke and pet urine. Tested and approved by the Carpet and Rug Institute to effectively remove stains and odors without adversely affecting the appearance or performance of your carpet when used as directed. Designed for homes with kids and pets. Use with a Rug Doctor carpet cleaner for expert results. Apply Rug Doctor Spot + Pretreat first for stubborn set-in stains. Try Rug Doctor Max Advanced Carpet Cleaning formula for professional-grade results.