Product Description: 
ProSeries top-mount and side-mount sand filters utilize a precision engineered umbrella-fold self-cleaning lateral system to provide efficient flow and evenly distributed water for totally balanced backwashing and long lasting performance. 
 
Durable corrosion proof materials for dependable all weather performance
Large pressure sand/water drain for rapid winterizing or servicing
Top-mount models are available with 7-position or 6-position VariFlo™ control valve
Side-mount models are available with 6-position VariFlo™ or 2-position slide valve