This Bestway Steel Pro Rectangular Frame pool comes with FREE Installation guide DVD and a 330 gallon/hour filter pump. Rust resistant galvanised metal frames. Easy pool construction- no tools required! - Side walls are made with 3 separate layers of material. The inner layer of polyester mesh is laminated to the 2 outer heavy gauge PVC layers. , , It has convenient drain plug for easy draining- valve attaches to a garden hose so that water can be drained away from the pool area. The PVC flaps cover the T-connectors and lock pins to prevent rust and injuries. "C" clips hold the T-connector covers in position. , , A variety of heating options are available from the simple to use 3KW Intex heater to the high quality Elecro stainless steel heaters. A cost-effective solar panel kit is also available. A filter pump will be required if using a pool heater.