The Pool Check Valve Professional 1.5in is a transparent swimming pool check valve designed for professional use. Made in China, this high-quality valve ensures smooth and efficient water flow in swimming pools. Its 1.5-inch size makes it suitable for a wide range of pool systems, providing reliability and durability. This check valve is an essential part of maintaining proper circulation and water levels in a swimming pool, making it a practical and necessary addition to any pool equipment collection.