HAYWARD PRO-SERIES HIGH RATE SAND FILTER FOR 22 INCH TOP-MOUNT #W3S220T. BALANCED FLOW & BACKWASHING: The Hayward ProSeries 22-Inch Top-Mount Filter features efficient, multilateral underdrain assembly with 360° self-cleaning slotted laterals. MAXIMUM FILTRATION: Integral top diffuser ensures even distribution of water over the entire sand bed for optimal use of filtration area. ALL-WEATHER PERFORMANCE: Unitized, corrosion-proof filter tank is molded from rugged polymeric material, delivering dependable performance in any weather. EASY OPERATION: 6-position Hayward VariFlo control valve with easy-to-use lever-action handle lets you quickly dial in the right valve/filter function. RAPID WINTERIZING: Large pressure sand/water drain is always ready for quick winterizing or servicing. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Be kinder than necessary because everyone you meet is fighting some kind of battle. Life is too short to wake up with regrets. So love the people who treat you right. Tolerate the one’s who don’t. Believe everything happens for a reason. If you get a second chance, grab it with both hands. If it changes your life, let it. Nobody said life would be easy, they just promised it would be worth the ride.