• 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. Stanley's 8255618 Wet/Dry Vacuum, 6-Gallon, 4. 0-Peak HP Wet/Dry Vacuum, with a powerful heavy duty motor for industry leading performance, provides maximum suction power for heavy duty pickup. The powerful rear blower port instantly converts vacuum to power blower. Swiveling casters provide ease of movement in any direction. Other features include a strong handle for easy carrying, a large on/off switch with waterproof design for safe and quick access, a convenient, built-in 10-foot built-in power cord and wrap, an accessories holder to get all tools organized. 14-kPa. Airflow 85 CFM. Accessories include a 1-1/4-inch wide by 6-foot long hose, two extension wands, crevice nozzle, 10-inch floor nozzle, cartridge filter and dust bag. Shipped without wheels installed to reduce the size of the carton.