Pre-programmed steering makes the Pool Vac Classic faster and more efficient than any random style pool cleaner. It moves in a predetermined series of right and left turns to systematically provide more thorough coverage of pools' surfaces. Pool Vac Classic scoops up small to medium-sized debris and deposits it directly into existing filtration systems. No need for additional equipment or expense. For the ultimate in easy, trouble-free operation, leave your customers pool cleaning to Hayward's Pool Vac Classic. This model is made specifically for Concrete Pools. Please scroll down to see the full list of parts and accessories for this cleaner.