The Emaux P400 Filter, SS033 Pump, and 4-Way Valve set is a compact and reliable filtration system designed for small to medium-sized residential pools. The P400 sand filter features a durable 16-inch fiberglass tank with 50mm (1.5") connections, providing efficient water filtration for pools up to 20,000 liters. Paired with the SS033 pump, which delivers 0.33 HP of quiet, energy-efficient performance and built-in thermal overload protection, this system ensures consistent water circulation and safety. The included 4-way valve allows for easy operation with filter, backwash, rinse, and waste settings, making pool maintenance simple and hassle-free. Ideal for homeowners seeking a dependable, easy-to-use pool filtration solution.