Pentair Quad100 D.E. Cartridge Pool Filter EC-188594
Pentair Quad100 D.E. Cartridge Pool Filter EC-188594
Tired of dealing cloudy pool water? The Pentair Quad 100 D.E. Cartridge Filter combines the powerful filtration of diatomaceous earth with the simplicity of cartridge maintenance. The combination gives you crystal-clear water without the mess. Additionally, its innovative four-cartridge design captures microscopic debris and maintains strong water flow. The chemical-resistant tank offers long-term performance and professional-level water clarity.
What makes the Pentair Quad 100 D.E. Cartridge Filter the best choice for pool filtration?
The Pentair Quad 100 stands out by blending D.E.-level filtration precision with cartridge-style convenience. The DE filter removes finer particles including dust, algae, and bacteria. Also, the four large-capacity cartridges increase filtration area by up to 39%. The Quad 100 delivers longer cleaning cycles and better efficiency.

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Key Features
- Hybrid D.E. + cartridge filtration delivers exceptional water clarity
- Four large-capacity cartridges provide increased surface area and longer cleaning cycles
- Captures microscopic debris, algae, and fine particles
- Multiple cleaning options: backwash, remove and rinse, or drain-and-flush
- Fiberglass-reinforced polypropylene tank resists chemicals and corrosion
- Innovative internal flow path improves filtration and backwashing efficiency
- 2” plumbing connections support maximum flow rates
- 1.5” drain port allows fast, complete cleanout
- Manual air relief valve maintains optimal filtration performance
- Woven polypropylene cartridge media for easier cleaning and durability
Technical Specifications
- Filter Type: D.E. Cartridge Style (Quad Element)
- Filtration Area: 100 sq. ft.
- Filter Diameter: 21.5 inches
- Vertical Clearance: 74 inches
- Max Flow Rate: 150 GPM
- Turnover Capacity:
8 hrs: 76,800 gallons
10 hrs: 96,000 gallons
12 hrs: 115,200 gallons - Tank Material: Fiberglass-reinforced polypropylene
- Plumbing Size: 2 inches
- Drain Size: 1.5 inches
Specs
- Part Number: EC-188594
- Manufacturer: Pentair
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What our customers are saying
I've gotten good prices on products that I can pick up just a few miles away. I've gotten expert advice on using these products, as well.
I've gotten good prices on products that I can pick up just a few miles away. I've gotten expert advice on using these products, as well.
SMG
Thank you, Dan for making the process so simple and giving me the part at such a great price.
Thank you, Dan for making the process so simple and giving me the part at such a great price.
cody l
Chuck and Bryan are both very helpful and kind / professional. Definitely recommend to others!
Chuck and Bryan are both very helpful and kind / professional. Definitely recommend to others!
Chad W
FAQ
Our expert staff answers customer's most asked questions.
What size pool is the Pentair Quad 100 filter best for?
Designed for medium to large in-ground residential pools up to 30,000–35,000 gallons
How do you clean the Pentair Quad 100 D.E. cartridge filter?
You can backwash and recharge with D.E. powder, remove and rinse the cartridges, or simply open the drain and rinse them in place for a quick clean.
Do you need to add D.E. powder to the Quad 100 filter?
Yes, adding a small amount of D.E. powder after cleaning helps enhance filtration and achieve maximum water clarity.
Learning Center
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