Filter Technology

Epic Filter Technology

Inside
CoreXchange™.

Our patented dual-stage, dual-layer filtration system. Designed and built in the USA by engineers with 30+ years in water filtration.

DUAL-STAGE
DUAL-LAYER
PATENTED
USA MADE
The Idea

Most filters are a single block of carbon. CoreXchange pairs two engineered layers working in sequence: an electro-adsorptive nano fiber wrap that captures what carbon alone cannot, and a solid activated carbon fiber core that polishes every drop.

The Layers

Two layers.
One serious filter.

Layer 1 · Surface filtration

Nano fiber wrap

The external layer captures sub-micron particles using electro-adsorptive technology. The crystalline structure of the mineral fibers carries a strong natural positive charge that actively attracts and binds negatively charged contaminants, including microplastics, pathogens, trace pharmaceuticals, and cellular debris, stopping impurities before they ever reach the core.

1.2–1.5 micron poresElectropositive chargeWet-laid nonwoven media
Layer 2 · Depth filtration

Activated carbon fiber core

At the heart of CoreXchange lies a solid activated carbon fiber block. Water is forced through a tortuous path of thousands of microscopic layers, maximizing contact time and kinetic adsorption of chemicals, volatile organic compounds, heavy metals, and chlorine, while keeping flow smooth and consistent.

~1,000,000 ft² surface areaSuperior chlorine reductionConsistent flow
By the numbers

Engineered like it matters.

0
square feet of adsorption surface per carbon core, about 17 football fields
0
pore structure in the nano fiber wrap, capturing sub-micron impurities
0
years of water filtration engineering behind every filter, built in our USA facility
Made in the USA

Designed here.
Built here.

Most of the industry imports filters and puts a flag on the box. Epic builds. Our filters are designed, tested, and manufactured in our own American facility by engineers with 30+ years in water filtration. Owning the factory means owning the outcome: every layer, every seal, and every lab result is ours to control.

Our own U.S. factory American engineering NSF certified Total quality control
The Family

Clean water is not
one size fits all.

Different water, different needs. Compare the family side by side and find the filter built for your life.

Pure XP Filter exploded view
Pitchers & dispensers · CoreXchange™

Pure XP

  • Patented dual-layer CoreXchange technology
  • Highest contaminant reduction, including microbiological
  • NSF certified, made in our own USA facility
  • Replaceable inner cartridge, 100+ gallons
Learn more
Nano XP Filter exploded view
Pitchers & dispensers

Nano XP

  • Dual-layer nano fiber media, designed for PFAS
  • Helps reduce microbiologicals like giardia, bacteria, viruses
  • NSF certified, made in our own USA facility
  • Replaceable inner cartridge, 100+ gallons
Learn more
Smart Shield Max Filter
Under sink · CoreXchange™

Smart Shield Max

  • Three-stage system: nano fiber, carbon fiber block, granular resin
  • Helps reduce PFAS, lead & fluoride + microbiologicals
  • Easy install, no plumber required
  • Replaceable cartridge, 750+ gallons
Learn more
Smart Shield Classic Filter
Under sink

Smart Shield Classic

  • Single solid carbon block construction
  • Independently tested and certified by IAPMO
  • Easy install, no plumber required
  • Up to 651 gallons per filter
Learn more
EveryTap Filter exploded view
Bottles · City water

EveryTap

  • Solid carbon fiber block, effortless sipping
  • For treated tap water on the go
  • NSF certified for material safety, USA made
  • Replaceable cartridge, up to 75 gallons
Learn more
Everywhere Filter exploded view
Bottles · CoreXchange™

Everywhere

  • Dual-layer CoreXchange in a bottle filter
  • Drink from any freshwater: trails, travel, emergencies
  • Globally certified through field and lab tests
  • Replaceable cartridge, 75 gallons
Learn more
Less plastic, by design

Keep the housing.
Swap the core.

Every CoreXchange design features a replaceable inner filter cartridge. The durable outer casing stays, only the core gets replaced, cutting single-use plastic waste by up to 75% and making refills cheaper too.

CoreXchange Pure XP replaceable cartridge
Good Questions

Asked, answered.

Why are XP Filters rated at 100 gallons when the classic Pure was rated at 150?

Our XP Filters are NSF tested to double the rated capacity (200 gallons) for compliance. They also carry a higher quality and volume of filtration media, so despite the conservative rating, they last the same expected 3 to 4 months.

What exactly is in each layer of an XP filter?

Activated carbon fiber (Pure XP): depth filtration with roughly 1,000,000 square feet of surface area, the equivalent of 17 football fields. It works like a giant sponge, adsorbing chemical contaminants as water passes through.

Nano fiber media (Pure & Nano XP): surface filtration with an electropositive charge across a pleated media over a foot long. It instantly traps negatively charged contaminants like bacteria, cysts, and sediment on contact.

Can I use these filters with saltwater?

No. Epic filters are designed for freshwater sources only and are not suitable for use with saltwater.

Proof, not promises.

Every Epic filter is backed by published, independent lab results. See exactly what your filter removes.

See the lab results
© 2026 EPIC WATER FILTERS · MADE IN THE USA