Two tank 1-PLUS-1 system for city water

Combination water softener and whole house filtration system.

Removes water hardness, chlorine, chloramines, taste, odors, heavy metals, VOCs
and other potentially harmful chemicals. Comes with our Limited Lifetime Warranty.

It’s totally unique!

One-Plus-One Water™ systems are a water softener, with its own “master” control valve!


A whole house filtration system, controlled by the “master” control valve and operated by a motorized valve for independent operation.


Get two treatments in one compact design, featuring optimum performance with separate operating parameters for the water oftener and filter:

  • Independent backwash flow rates
  • Independent backwash frequency
  • Independent backwash times (duration)

Single tank ALL-IN-ONE system

Combination water softener & whole house filter.

Removes water hardness, chlorine, taste, odors and harmful chemicals.

Get high quality water from every faucet in your house with our single tank, ALL-IN-ONE system.

Here’s how it works:

Water flows downward, through the Catalytic activated carbon and KDF to remove Chlorine taste and odors, heavy metals along with potentially harmful chemicals.
Next, water hardness is removed by the softener resin so you enjoy the many benefits provided by soft water!

1-PLUS-1 Premium Series systems come with water softener resin, catalytic carbon, KDF-55 for enhanced performance and our Lifetime Limited Warranty.

Entek® whole house filtration systems

For great tasting, safe water from every faucet in your home.

Entek® whole house filtration systems use high efficiency Catalytic Activated Carbon for water quality improvement because it’s considered the most effective adsorbent used in the water treatment.

It is estimated a single spoonful of activated carbon has as much surface area as
a football field. This illustrates carbon’s adsorption capabilities.

Entek whole house filters provide two-stage filtration!


Highly effective, long-life Catalytic Activated Carbon is used during
STEP #1 to reduce or remove:

  • Taste
  • Odor
  • Chlorine
  • Chloramines
  • Some Trihalomethanes (THMs)
  • Some Haloacetic acids
  • Some heavy metals, such as Lead
  • Volatile Organic Compounds (VOCs)


During STEP #2, your water is treated with KDF-55®, a highly effective bacteriostatic filter media, used to control the growth of bacteria and extend the service life of the activated carbon. Premium Series Systems come with our Limited Lifetime Warranty.

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