Pool Vacuum Plate Check Valve with Gasket for Maintenance

This pool vacuum plate check valve is designed for pool maintenance technicians and pool owners. It features a 1-way check valve with gasket to prevent backflow of debris and dirty water. The unit includes a black circular gasket plate and stainless steel screws for a tight seal against the round flange base. The body is made of blue material that resists pool chemicals and outdoor elements. The interior is smooth to minimize water resistance. Dimensions: 45 mm inner diameter, 50 mm outer diameter, 128 mm plate width, 131 mm blue body base. Weight: 259 g.