FEATURES Heavy-duty closure provides easy inspection, and features an easy-to-read pressure gauge with air relief valve Swing-away diffuser allows instant access to sand and all internal parts All internal parts are threaded for ease of service Internal air bleed Bulkhead connectors are threaded for easy installation and service Combination sand and water drain makes servicing and winterizing fast and easy Maximum Operating Pressure 50 psi Multi port Valve Included Sand Media NOT Included