SKU: 5939695589

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

Sale price$86.70 Regular price$96.33
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Description

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

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 5939695589

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4.2 ★★★★★
Based on 9 reviews
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Tiffany
Massapequa, US
★★★★★ 1
Not for aggressive chewers
Size: Large (Pack of 1), Style: Stick Large, Size: Large (Pack of 1), Style: Stick Large
I got this for my 95lb lab who is an aggressive chewer thinking that it looked durable and would last a while. He tore it apart within an hour and I had to throw it away.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
E
Verified Purchase
E
Carnegie, US
★★★★★ 3
Felt durable but it couldn’t hold up
Size: Large (Pack of 1), Style: Stick Large, Size: Large (Pack of 1), Style: Stick Large
I really thought my pet wouldn’t be able to destroy it but it’s in tiny pieces in the trash now. we played together and she was gentle I guess because she didn’t bite or tug hard at all I left her alone with it like I’ve done before but this time she broke it down in chunks. Did not have this toy for more then 24 hours.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2025
E
Verified Purchase
ELM
Fort Morgan, US
★★★★★ 5
Can be tossed around indoors
Size: Large (Pack of 1), Style: Stick Large
Flexible stick toy. Dogs enjoy carrying it around. Squeaks. We have had one for years. It is still in great shape but bought 2 more as I have 3 dogs and all enjoy them. I can toss this in the house.
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Reviewed in the United States on May 18, 2026
C
Verified Purchase
Christyanne748
Grantham, US
★★★★★ 5
Great fun & strong!!!
Size: Large (Pack of 1), Style: Stick Large
These are the best sticks ever! Our dogs chew and slobber all over these for sometimes an hour at a time. They like the “give” texture when they chew it. Imagine an indestructible, gummy bear! Because of their softness, they don’t end up with sharp edges or texture, although they are sturdy, and very durable. We have had these for our two dogs for close to a month now and it is their go to indoor to stick. The gentle squeak is not loud and obnoxious, but a playful sound that has them coming back for more with each chomp! If you love your dogs, this is the cheese stick for them. He’s also make an excellent fetch stick as they can go inside or outside. They wash off easily with water. This is a great investment, especially if you’ve been wasting your money replacing toys for strong jawed dogs!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2023
E
Verified Purchase
Elizabeth
Dallas, US
★★★★★ 5
My puppy loves it!
Flavor Name: Y-Gnawt, Size: Medium
I have a lab puppy, who is very energetic and very food motivated. She loves this chew! It’s long lasting and durable, but does make a bit of mess, with bits and pieces of the coating falling off as she chewed.
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Reviewed in the United States on June 11, 2026

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