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Pro-Grid™
Vertical Grid D.E. Filters
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.
Owner's Manual
DE7220 Pro-Grid filter w/4 position control valve
Applications
- In-ground pools
- In-ground spas or in-ground pool/spa combinations
Features
- 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 performanc
- 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
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