The 42" Horizontal Sand Filter is a high-performance, high-rate sand filter engineered for commercial pool applications. It uses specially graded filter sand to trap dirt, debris, and impurities as water circulates through your pool system. With a generous 45 square feet filter area, it ensures efficient filtration, making it ideal for large-scale pool systems like those found in hotels, resorts, and public facilities. The smooth internal design promotes even water flow and optimal filtration performance, while the corrosion resistant tank material ensures long lasting use season after season.