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

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.