Sta-Rite is proud to bring you the proven technology of System 3 Modular Media into the world of D.E. With it's perfectly balanced flow and integral manifold design, the System 3 Modular D.E. filter brings pool filtration to new heights. Available in 2 sizes, 60 and 72 sq. ft., System 3 Modular Media D.E. filtration will bring years of sparkling clear water to your pool or spa. For cleaning, simply remove filter lid and hose off in place. No more hassle of tearing down the grid assembly for cleaning and servicing. The balanced flow design allows for a constant D.E. cake on the entire module, assuring full optimization of the module and longer cycles between cleanings.An Eco Select Brand Product: Water flows very efficiently through System:3? Modular D.E. Filters - SMD Series allowing the use of smaller pumps or lower pump speeds to minimize energy use. And when consumers rinse cartridges rather than backwash, they can significantly reduce water use, too.