ECP Series

Pentair ECP Series Pleated Cellulose Polyester Cartridges – High-Performance Sediment Filtration

Upgrade your water filtration system with the Pentair ECP Series Pleated Cellulose Polyester Cartridges, engineered for superior sediment removal, enhanced flow performance, and reliable long-lasting operation. Designed for residential, commercial, and industrial water treatment applications, the ECP Series delivers the durability and efficiency that professionals and homeowners trust.

Why Choose Pentair ECP Series Filters?

The Pentair ECP Series stands out with a specially formulated resin-impregnated cellulose and polyester blend, offering exceptional wet strength compared to standard cellulose cartridges. This unique media configuration provides:

1. High dirt-holding capacity to keep systems running longer between changes.
2. Low pressure drop for optimized flow, efficiency, and reduced energy use.
3. Enhanced durability in wet conditions, preventing media degradation and loss.
4. Minimal unloading and media migration, so your filtered water stays clean.

Key Configurations

Micron Ratings (Nominal):

1. 1 µm, 5 µm, 20 µm, 50 µm

Sizes & Fits:

1. Lengths: 10" or 20"
2. Outside Diameters: Standard 2.63" OD or Big Blue 4.5" OD

Filter Media: Cellulose polyester

Endcaps: Vinyl plastisol (standard models) or molded polypropylene (Big Blue)

Features & Benefits

Superior Filtration Performance

Pentair ECP cartridges utilize a pleated design with significantly more surface area than many competing filters, providing extended life and fewer changeouts.

Built for Strength and Durability

The resin-impregnated cellulose/polyester media resists breakdown and delivers higher wet strength than traditional cellulose cartridges, making these filters suitable in demanding water conditions.

Broad Compatibility

Whether you’re upgrading a whole house system, retrofitting an existing filter, or stocking replacement cartridges, ECP Series cartridges fit both Pentair standards and many competitive housings.

Find the Right ECP Cartridge

Whether you need fine particulate removal, high flow capability, or extended service life, the Pentair ECP Series offers options that deliver performance, reliability, and value. Browse the lineup below to match your system’s specifications and make the smart choice for cleaner, clearer water.

Ready to Buy?

Explore available sizes and micron configurations, compare models, and find the perfect Pentair ECP Series cartridge for your needs today!