On-board machine instructions help ensure machine is operated in a safe manner for better results, simplified training, and reduce cost to clean. Insta-Click™ head allows TennantTrue® pads and brushes to be installed ergonomically, resulting in a safer, faster, low-touch installation. Vac motor allows machine to clean using as low as 65 dBA for a safer cleaning environment. ec-H2O NanoClean available. Hygienic® tanks allow for easy access when cleaning to help reduce mold, bacteria and other contaminants that can grow in enclosed tanks.