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Pentair 4000 SERIES D.E. filters are designed for optimal filtration efficiency, easy maintenance, and longer runs between cleaning. Their extraordinary dirt-holding capacity and easy cleanability make them ideal for even large or heavily used pools. 4000 SERIES D.E. filters are engineered to provide high efficiency filtration with a minimum of maintenance. And when occasional maintenance is required, you'll appreciate the safe, user-friendly design of the tank's clamp ring, and the ease with which filter grids can be removed for cleaning.
- Corrosion-resistant 20"-diameter fiberglass tank for strength, durability, and years of service.
- Unique SPIRO-MITE* grid design provides high efficiency filtration and longer filter cycles because pool water is always routed through the optimum filtration path.
- Exclusive clamp ring design is proven to be one of the safest in the industry. It allows quick and easy access to internal components and leak-free operation.
- 2" threaded connections for easy installation and maximum flow.
- Curved grid assembly provides the most efficient D.E. filtration available.
- Durable backwash valve resists corrosion and is unaffected by heat and cold, assuring flawless operation under all conditions.
- Thermoplastic backwash rotor seal is specially designed to prevent dirt from entering rotor chamber, resulting in smoother operation.
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