Portable Vacuum System includes an 8" hair and lint strainer pot and 225 square foot filter with 3 cartridges. Self-priming pump pushes 8,000 gallons per hour of pool water through the system. All the water that the Maxi-Sweep vacuums up goes through the filterand is returned to the pool. Reducing back-washing of your main filtration system, saving water, energy and chemicals. Includes: 2" x 50' vacuum hose and 2 x 12'-23' telescopic poles. Specifiy 30", 36" or 42" vacuum head. For Electric Units, specify 110 volt 30 amp or 220 volt 20 amp.