The Pentair 188594 Quad D.E. 100 sq ft Cartridge Style Filter delivers the superior clarity of diatomaceous earth filtration with the convenience of a cartridge-style system. Featuring four high-capacity D.E. cartridges and 100 square feet of effective filtration area, this filter removes particles as small as 5 microns for exceptional water clarity. Engineered with a fiberglass-reinforced polypropylene tank and optimized internal flow path, it provides high hydraulic efficiency and extended cleaning cycles for residential pool applications.

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Key Features

• 100 sq ft D.E. cartridge-style filtration area for fine particulate removal down to 5 microns.
• Rated residential flow capacity up to 160 GPM for high-performance circulation systems.
• Four large-capacity cartridges maximize surface area and dirt-holding capacity.
• Innovative internal flow path ensures efficient filtration and backwashing performance.
• Fiberglass-reinforced polypropylene tank for strength and corrosion resistance.
• 2-inch plumbing connections support maximum flow capability.
• High Flow™ manual air relief valve with continuous internal air relief system.
• Easily removable cartridge elements simplify maintenance and servicing.
• Maximum working pressure rated at 50 psi.

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Product Overview

The Pentair 188594 Quad D.E. 100 sq ft Filter is engineered to provide exceptional filtration performance in residential pool systems requiring increased capacity. Its four-cartridge configuration significantly expands internal surface area, allowing longer operational cycles between cleanings while maintaining balanced water flow. The diatomaceous earth coating captures microscopic contaminants such as dirt, algae, and fine particles, delivering crystal-clear water quality.

Constructed with a durable fiberglass-reinforced polypropylene tank and secured with a heavy-duty clamp assembly, the Quad D.E. 100 is built for long-term reliability in outdoor pool environments. The removable cartridge elements allow flexible cleaning options, including backwashing and recharging or complete removal and rinsing. Designed for high-flow performance and efficient hydraulic operation, the 188594 model provides dependable, low-maintenance filtration tailored for residential pool installations.