The Water Tech Volt FX-2 is designed to be an affordable spa vacuum option that is more powerful than wand type cleaners. With its optional micro filter bags, the Volt FX-2 removes sand, silt and even algae. It incorporates incredible new developments in hot tub and swim spa cleaning technology, keeping spas sparkling clean, and users healthy and happy. Volt FX-2 comes with three filter bags and convenient cleaning with the largest vacuum head in its class; priming pumps or attaching hoses are a thing of the past. Volt FX-2 operates on five D-cell batteries, providing up to two hours of run time. This product has a 2-year limited warranty.