Bestway 56400E Power Steel Frame Pool Set with Sand Filter Pump, 18' x 52" Heavy-duty, PVC and polyester 3-ply side walls with rigid, rust resistant metal frames. Reinforced rope wraps around the bottom of the pool liner to keep the legs firmly in position. Water capacity (90%): 6,869 gal Flow control drain valve for easy draining. Valve attaches to garden hose so water can be drained away from the pool area. Dimensions: 18' x 52" Includes pool, 1500 gal sand filter pump, ladder, ground cloth and cover