Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
Pentair Quad DE 100 Pool Filter Cartridge Replacement | 1 Pack | 178656
Fits these models
Pickup, delivery and shipping times are estimates, not guarantees.
Couldn't load pickup availability
Have a question about this part?
Ask about fit, specs or shipping and get an instant answer.
Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Pentair Quad DE 100 Pool Filter Cartridge Replacement 178656. Optimize your pool’s clarity and cleanliness with the Pentair Quad DE 100 Series Replacement Cartridge. Specifically designed for the Quad DE 100 filter systems, this cartridge embodies the fusion of diatomaceous earth filtration precision with the practicality of cartridge design. Offering an impressive 25 square feet of filtration area, this cartridge ensures effective containment and removal of fine particulates, providing sparkling, clean pool water.
- Genuine Pentair Replacement: Ensures seamless compatibility and maintains the high performance standards of Pentair pool filtration systems.
- Meticulously Crafted Design: Features straight, sharp, and evenly spaced pleats that ensure efficient dirt capture, contributing to pristine pool water.
- Durable Polyurethane End Caps: Provide exceptional strength and ensure a proper seal within the filter tank, which prevents leakage or bypass.
- Reinforced PVC Center Core: This reinforcement guarantees long-lasting performance and structural integrity of the cartridge.
- Optimized Water Flow Distribution: Strategically placed holes in the center core promote optimal water flow distribution, enhancing the effectiveness of the cleaning process.
- This product comes with one, 25 sq. ft. cartridge (178656)
- Note: The Pentair Quad DE 100 Filter operates with 4 cartridges for functionality. Please make sure there are rips or tears in your existing cartridges to ensure proper filtration.
- Pentair QUAD D.E 100 sq. ft. Filter: 188594, EC-188594
