Grabo Pro-Lifter 20 With Rated Power 16W is designed for professionals. Unlike the other gigantic solutions, the tool is portable and handy. Living up to the promise of Heavy Lifting Made Easy, the GRABO Pro is equally effective on smooth as well as coarse surfaces. The Pro-Lifter has a pumping capacity of 20 liters per minute, a best in class. Lifting Capacity LIFTER 20 VACCUME GRABO Pro is equipped with a robust vacuum pump. The foam rubber vacuum seal on the GRABO Pro tool is strong and resistant to loss of vacuum pressure. Once the pressure pump is activated, it creates a strong suction and firmly attaches to any non-porous flat surface. The suction is strong enough to hold firm even loads as heavy as 375 lbs .