Product Overview

The Pentair 178655Z Quad D.E. 80 Replacement Cartridge Element is a genuine OEM filter element designed for the Pentair Quad D.E. 80 pool filter. This replacement element helps restore proper filtration performance by capturing dirt, debris, and fine particles while supporting the high-efficiency operation of the Quad D.E. filter system.

Each Quad D.E. 80 filter uses four cartridge elements. This replacement element is ideal when one or more cartridges are worn, damaged, clogged, or no longer cleaning effectively.

Ideal For

Pool owners and service professionals replacing cartridge elements inside a Pentair Quad D.E. 80 filter.

This part is ideal for maintaining proper filtration, improving water clarity, and restoring flow when existing filter elements are worn or heavily soiled.

Key Features

Genuine Pentair OEM Replacement

Manufactured as an original Pentair replacement element for proper fit and dependable performance in Quad D.E. 80 filters.

Designed for Pentair Quad D.E. 80 Filters

Made specifically for the Pentair Quad D.E. 80 filter system, which uses four cartridge elements.

20 sq. ft. Replacement Element

Each cartridge element provides approximately 20 sq. ft. of filtration area, with four elements required for the full 80 sq. ft. filter system.

Open Top and Bottom Design

Features open ends for proper fit and water flow inside the Quad D.E. filter assembly.

Efficient D.E. Filtration Support

Helps support the Quad D.E. filter’s ability to capture fine debris and maintain clear pool water.

Direct Replacement Fit

Designed to replace the existing filter element without modifying the filter tank or internal components.

Benefits

Replacing worn or damaged Quad D.E. filter elements can help improve water clarity, restore system flow, and reduce filtration problems caused by clogged or deteriorated cartridges. The Pentair 178655Z is a direct-fit OEM replacement, making it a reliable choice for maintaining the performance of a Pentair Quad D.E. 80 filter.

For best performance, inspect all four elements during filter service and replace any cartridge that is torn, collapsed, heavily stained, or no longer cleaning properly.

Specifications

Customer-Facing Q&A

Q: What filter does this cartridge fit?
A: This replacement cartridge fits the Pentair Quad D.E. 80 filter.

Q: How many cartridges does the Quad D.E. 80 use?
A: The Pentair Quad D.E. 80 uses four cartridge elements total.

Q: Is this listing for one cartridge or a full set of four?
A: This listing is for one replacement cartridge element unless otherwise stated. Four are required for a complete filter set.

Q: Is this a genuine Pentair part?
A: Yes, 178655Z is listed as a genuine Pentair replacement cartridge element for the Quad D.E. 80 filter.

Q: What is the square footage of this cartridge?
A: Each cartridge element is approximately 20 sq. ft. The full Quad D.E. 80 filter uses four elements for 80 sq. ft. total.

Q: When should this cartridge be replaced?
A: Replace the cartridge if it is torn, cracked, collapsed, heavily clogged, or no longer cleaning effectively after normal maintenance.

Q: Can I replace only one cartridge?
A: Yes, individual cartridges can be replaced if only one is damaged. However, if all cartridges are aged or worn, replacing the full set may provide better overall filtration performance.