Alpha Canister Vacuum KC-1500Advanced filtration system with cyclonic technology that never loses suction and separates dust from the air to direct it to the HEPA filter to achieve 99. 9% filtration of harmful particles, giving you a cleaner home with fewer allergies. 71 Ounce dust tank with full tank indicator and bagless operation gives you more comfortable and refined operation. Variable speed control that allows you to regulate the power depending on the type of floor and the