Home » PENTAIR EC90 D.E REPLACEMENT 30 SQFT - C-9990
Pentair EC90 D.E. filter replacement cartridge 30 sq ft Unicel C-9990 for professional pool contractors and service companies
C-9990
C-9990
Pentair EC90 D.E. filter replacement cartridge 30 sq ft Unicel C-9990 for professional pool contractors and service companies
C-9990
C-9990
UNICEL

PENTAIR EC90 D.E REPLACEMENT 30 SQFT - C-9990

SKU: C-9990
$96.33

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The Pentair EC90 D.E. Replacement 30 SqFt (Unicel C-9990) delivers the superior filtration performance pool contractors demand for professional installations. This high-quality Reemay cartridge is specifically designed for the Pentair EasyClean D.E. Filter EC90, providing maximum dirt-holding capacity and chemical resistance that keeps commercial pools crystal clear.

Professional Installation Benefits

Built with 8 oz. Reemay material and featuring a no center core design with four bands, this replacement cartridge maximizes filtration efficiency while reducing maintenance frequency. The durable construction resists chemical damage and extends service life, reducing callback visits and protecting your service reputation with commercial clients.

Why Pool Contractors Choose MT Pools

MT Pools understands the demands of professional pool service and construction. Our wholesale pricing structure supports your profit margins while our reliable inventory ensures you have the replacement parts needed to keep client pools operational. With superior customer service and daily recurring customer support, we're your trusted B2B partner.

Frequently Asked Questions

How often should the C-9990 cartridge be replaced?

For commercial applications, replace the C-9990 cartridge every 12-18 months depending on bather load and water conditions. Regular replacement ensures optimal 90 GPM flow rate performance.

Is the C-9990 compatible with other D.E. filter brands?

The C-9990 is specifically designed for Pentair EasyClean EC90 filters. Using the correct replacement ensures proper fit and maintains warranty coverage for professional installations.

What D.E. powder amount is required with this cartridge?

The EC90 system with C-9990 cartridge requires 2.4 lbs of D.E. powder for optimal filtration performance and maximum dirt-holding capacity.

Does MT Pools offer bulk pricing for service companies?

Yes, MT Pools provides competitive wholesale pricing for pool service companies and contractors, with bulk discounts available for larger orders to support your business growth.

Order Your Replacement Cartridges Today

Keep your commercial pool filtration systems running at peak performance. Stock up on genuine Pentair EC90 replacement cartridges and experience the MT Pools difference in B2B service and support.

• 30 sq. ft. filter area for superior filtration capacity
• 8 oz. Reemay material construction for durability
• No center core design with 4 bands for maximum dirt-holding
• Chemical resistant materials extend service life
• Compatible with Pentair EasyClean D.E. Filter EC90 (Product No. 188615)
• Supports 90 GPM flow rate for commercial applications
• High dirt-holding capacity reduces maintenance frequency
• Professional-grade construction for commercial pool use
• Guaranteed against manufacturing defects
• Easy installation with no-tool servicing design
• Optimal performance with 2.4 lbs D.E. powder requirement
• Suitable for pools up to 64,800 gallon capacity (12-hour turnover)