Heavy duty structural foam basin, 30" diameter x 36” high, 110 gallon capacity;Completely assembled system with piping included;Floats for control unit factory pre-set;4" inlet hub with rubber pipe seal;Heavy, 1/4" enamel coated steel cover with separate pump access covers and a 10" diameter inspection cover (Fiberglass cover assembly available);Pump restraints "torque stops" hold pumps securely in proper position;PRG grinder models come with 2" discharge only