Pentair | 178656 | Quad DE 100 Cartridge Replacement

The Pentair 178656 replacement cartridge element is designed for Quad D.E. 100 and EasyClean EC90 pool and spa filter systems. Each cartridge provides 25 square feet of filtration area and captures fine debris and contaminants as water circulates through the filter. Reinforced pleated media and durable end caps support efficient filtration performance and long service life in pool environments.

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Key Features

• Replacement cartridge element designed for Pentair Quad D.E. 100 and EasyClean EC90 filter systems.
• Provides 25 square feet of filtration area per cartridge to capture fine debris and particles.
• Reinforced polyester pleated media improves dirt holding capacity and filtration efficiency.
• Durable polyurethane end caps provide structural strength and secure installation.
• Approximate dimensions of 32-3/4 in length and 6-1/4 in diameter ensure proper fit in compatible filters.
• Four cartridges are typically required for the Quad D.E. 100 filter system.

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Product Overview

The Pentair 178656 replacement cartridge element is an essential filtration component used in Pentair Quad D.E. 100 and EasyClean EC90 filter systems. The cartridge combines the high clarity performance of diatomaceous earth filtration with the convenience of a reusable cartridge design, allowing debris and contaminants to be trapped within the pleated filter media as water flows through the filter housing.

Each cartridge provides 25 square feet of filtration area and works together with additional cartridges to deliver the full filtration capacity of the Quad D.E. 100 system. The reinforced polyester media and durable end caps are engineered for repeated cleaning cycles and long service life. Replacing worn or clogged cartridges helps restore proper water flow and maintain optimal pool water clarity and filtration performance.