SR 450sqft System 3 Modular Media Filter System:3® Modular Media Filters handle 2-3 times more dirt than other filters to deliver maintenance-free performance for up to a full season. Featuring perfectly balanced flow and an integral manifold design, these filters are engineered to deliver the ultimate in labor savings. System:3® Modular Media Filters are ideal for inground pools, inground hot tubs and water features. An Eco Select™ Choice: Water flows very efficiently through System:3® Modular Media Filters filters 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. Features Typical Installation Inground pools, inground hot tubs, and water features Quality Construction Durable two-piece tank housing constructed of Dura-Glas®, Sta-Rite's industry leading glass-reinforced composite resin Safe Posi-Lok™ clamps provide safe, easy access to tank internals Patented Design The patented, innovative balanced flow design first introduced with the System:3 Mod Media is still the standard of the industry Low Maintenance Complete media coverage combined with shallow pleats means greater dirt holding capabilities, resulting in longer filter cycles and less cleaning Quick Service The shallow pleat design allows you to simply hose off the elements in a matter of minutes, making servicing a snap Dual Drain Plugs Side plug available for plumbing to waste, while the bottom plug will drain entire filter