Jacuzzi Laser 22.5 Inch Sand Filter System Without Pump This Jacuzzi Laser sand filter has been engineered to evenly direct water across the entire surface of the filter sand, without causing sand migration or channeling. The underdrain and side-slotted laterals draw water evenly across the sands surface which allows for higher flows, longer cycles, better filtering and more efficient backwashing. The filter features a 7-way dial valve with 7 different functions: -Filtration, -Backwash, -Rinse, -Whirlpool, -Drain, -Test, -Winterize The non-corrosive resin clamp offers simple installation and service of the dial valve and the filters components. The blow-molded tank is UV- and corrosion-resistant, and the deep, high-capacity sand bed can carry more debris and extends the filter cycl 250 lb. Sand Capacity. -Hose and hardware is included with this filter.