Effective Filtering : Air release valve for air trapped inside filter chamber, sediment flush valve at bottom of the filter chamber. Helps to maintain a steady flow of clean, clear, and hygienic water in your swimming pool. Adding some small waves when you or your kids playing with water. Works with 8-12-feet easy set pools, 10-feet /12-feet frame pool models. we do not suggest operating the pump for more than 8 hours per day. Easy to assemble or disassemble, filter cartridges can be replaced and reused. The air release valve for air trapped inside the filter chamber makes sediment be flushed valve at bottom of the filter. Material : PP + ABS Plastic, made of high-quality materials, very durable Rated voltage: 220V Power: 15W Size: 21 x 14 x 12cm / 8.3 x 5.5 x 4.7in Power cord 2M Flow rate: 300 gallons, about 3.78 liters per hour Plug Type: UK plug / Europ plug Package Included: 1 x Filter Pump 1 x Filter Core 2 x Filter Hose (1M) standard hoses 1M, if you need long hose, you can purchase them separately. The diameter of hose ends / heads is about 1.25" (3.2cm -3.4cm) 2 x Filter Fittings 4 x Screws 4 x Fasteners 1 x Manual