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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.
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Pentair Quad DE 100 Pool Filter Cartridge Replacement (1 Pack) C-6900. 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 embody the fusion of diatomaceous earth filtration precision with the practicality of cartridge design. Offering a 25 square feet of filtration area for each filter, this cartridge ensures effective containment and removal of fine particulates, providing sparkling, clean pool water.
- Optimal Clarity: The Pentair Quad DE 100 Pool Filter Cartridge Replacement (1 Pack) C-6900 is designed to enhance your pool’s clarity and cleanliness.
- Precision Filtration: Combines diatomaceous earth filtration precision with the practicality of a cartridge design for superior performance.
- Specific Design: Specifically designed for the Quad DE 100 filter systems, ensuring a perfect fit and efficient operation.
- Effective Filtration Area: Each cartridge offers 25 square feet of filtration area, effectively containing and removing fine particulates.
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Sparkling Clean Water: Ensures your pool water remains sparkling clean, providing an optimal swimming environment.
- (1) Unicel C-6900 25 sq. ft. Cartridge
Note: The Pentair Quad DE 100 Filter operates with four cartridges for functionality.
- Pentair Quad D.E 100 sq. ft. Filter: 188594, EC-188594





