The Emaux wide opening gelcoat Filter is an outstanding sand filter for swimming pool enthusiasts. Its flawless gelcoat surface is not only aesthetically pleasing but also resistant to corrosion. The specially deepened sand layer enhances water clarity, while the transparent wide filter cover and side view panel simplify monitoring, ensuring optimal filter maintenance. Equipped with the reliable and durable Emaux 6-way valve, this laminated filter stands out as one of the most advanced sand filters available. valve, this laminated filter stands out as one of the most advanced sand filters available.