The Siphon Spa Vac was designed to be a simple, inexpensive solution or cleaning your spa or pool. Made from state-of-the-art materials, it is light, portable, easy to use and will last a long time. Self-contained spa vacuum. No pumping, No batteries, No water hook-up. Aluminum telescopic pole extends to over 7 feet. Picks up rocks, pennies, marbles, beach sand etc.