Powered by a 0.33 HP motor, it delivers a max flow of 3,000 GPH for improved circulation and filtration. Core components come pre-installed, so setup is as easy as snapping building blocks together. Compatible with both filter sand and filter balls (not included, and filter balls sold separately). | Vevor | | 12 in Sand Filter Pump for Above Ground Pool, 0.33 HP 3000 GPH, Swimming Pool Sand Filter Pump with Pre-Assembled Core | White | Best Buy