Select a level surface, inflate top ring and the pool will rise as it's filled with water. The built-in flow control drain valve connects with to garden hose (with included adapter) to easily drain away water. The set also includes an underwater adhesive repair patch. The sturdy pool sidewalls are constructed with Tritech, a 3-layer reinforced material with a polyester mesh core and two layers of high gauge PVC for superior strength and durability. , Contents: One pool, #58383GB filter pump (220-240V~, 530 gal pump water flow rate, 480 gal integrated pool system water flow rate), compatible with cartridge 58094 (II) 220-240V.