Hayward ProSeries Top-Mount Sand FilterThe Hayward ProSeries Top Mount Sand Filter is a durable and corrosion proof filter housing that is reliable in all types of weather. This high performance filter uses an umbrella fold self cleaning, 360 degree slotted lateral system that will provide clean water at an even flow back to the pool through a multiport valve. Adding this filter to a pool will ensure crystal clear and sparkling water for bathers to enjoy. Model Effective Filtration Rate