Pentair FNS Plus 48 Square Foot Fiberglass In Ground DE Pool Filter System - 180008 Pentair Models: Filter - 180008, Valve - 261177 and Pump - 340038 Features curved vertical grids for maximum filter surface area for pools up to 46,080 gallons Top manifold Service-Ease grid pack design allows one-at-a-time grid servicing Includes 6-position side mount multiport valve with bulkhead unions and one-piece handle SuperFlo pump features thick walled body parts, heavy-duty 56 square flange motor, highly engineered hydraulics and super quiet operation