18L x 12W x 6H in.. Attaches to filter and automatically vacuums pool. Connects for use with most soft-sided pool brands. Includes 20 ft. of hose. The Kokido Zappy Auto Pool Cleaner for Swimming Pools with Low Flow Pumps lets you keep your pool water crystal clear with a minimum of effort. This unit connects easily to your existing pool pump and works to filter away dirt, sand, and other debris that has settled on your pool's bottom. Ideal for above-ground pools up to 16-feet in diameter. A powerful built-in filter provides a powerful first-level of defense before your pool's own filter gets a chance to process the water. 20 feet of hose is included.About Robelle IndustriesSince 1973 Robelle Industries has been providing superior, dependable, and affordable swimming pool products. They have painstakingly built a line of quality swimming pool products that include pool chemicals, pool accessories, and everything in between. Robelle is dedicated to finding new product formulations that meet superior standards of pool chemical efficacy and product durability so your pool is safe, crystal clear, and healthy.