Pro-Grid™ vertical grid D.E. filters provide superior water clarity, efficient flow and large cleaning capacity for pools and spas of all types and sizes. Constructed in high-strength PermaGlass XL™, Pro-Grid combines high-technology features and "service-ease" design for an unparalleled filtration value for both new pool and aftermarket installations.

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Additional features include:

New 72 ft2 filter made of new and stronger PermaGlass XL™ allows for both commercial and large residential applications and years of non-corrosive, trouble-free performance
Patent pending Automatic Air Relief Valve purges any entrapped air automatically during filter operation
Self-Aligned tank top and bottom make access to servicing the grid elements fast and simple
Removable clamp tool makes tightening and loosening of clamp quick and easy
Integral lift handles and uniform low-profile base make removal of grid nest fast and simple
2" full-flow internal piping and plumbing for less resistance to flow and maximum performance
New, stronger PermaGlass XL™ filter tanks made from durable glass reinforced copolymer to meet the demands of the toughest applications and environmental conditions, including in-floor cleaning systems
Heavy-duty, tamper-proof one piece flange clamp securely fastens tank top and bottom. Allows quick access to all internal components without disturbing piping or connections
High impact grid elements designed for up-flow filtration and top-down backwashing for maximum efficiency
Inlet diffuser elbow distributes flow of unfiltered water evenly to all filter elements and provides even distribution of D.E. to grids