The 10 gallon wet/dry vac features a quiet 2 stage motor, for up to 50% quieter operation and 2 longer life. It arrives with a dust cartridge filter for small, dry debris and wet materials, strong handle for easy carrying, large on/off switch with water-resistant design for safe and Quick access, convenient, built-in 20' power cord and accessory bag to get all your accessories/tools organized. Swiveling casters provide ease of movement in any direction while a built-in tank drain makes draining easy. • Tank capacity refers to actual tank volume and does not reflect capacity available during operation. • Peak Horsepower" (PHP) is a term used in the wet/dry vacuum industry for consumer comparison purposes. It does not denote the operational horsepower of a wet/dry vacuum but rather the horsepower output of a motor, including the motor's inertial contribution, achieved in laboratory testing. In actual use, motors do not operate at the peak horsepower shown.