KAROFI WHOLE-HOUSE FILTRATION & SOFTENER SYSTEM WHF-E666 PLUS

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Karofi WHF-E666 PLUS

Name: KAROFI WHOLE-HOUSE FILTRATION & SOFTENER SYSTEM WHF-E666 PLUS
Brand: Karofi

Whole-house filtration & softener system

Protect your entire home with cleaner, softer water from one premium point-of-entry system. Durable, efficient, and fully automatic—the WHF-E666 is the robust solution for townhouses, villas, and challenging installation spaces.

Why you'll love it

MAX PRO Filtration & Softening Advanced multi-media (MAX CLEAN) and ion exchange resin (MAX SOFT) work to effectively reduce chlorine, odors, and control water hardness, combined with an Advanced UV light for a biological safety barrier.
Stable Performance Flow Delivers a reliable flow rate of 6.6 GPM at the POE, ensuring consistent water quality without disrupting water pressure.
Automatic MAX PURE Care The precise electronic valve manages the regeneration cycles to efficiently restore the softening media's capacity and optimize salt/water usage.
Durable Design Robust construction with a steel frame and composite shell, optimized for installation flexibility (e.g., balconies, technical rooms) and designed for reliable operation even under low water pressure.

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Product highlights

Water expertise, inside every detail

The WHF-E666 is a robust and reliable point-of-entry system that focuses on delivering consistently soft, disinfected water, even in challenging installation environments.

01

Integrated Softening & UV Safety

This system combines high-quality MAX SOFT ion exchange resin to control hardness and scale with an Advanced UV light on the output. This partnership ensures you benefit from softer water while gaining a reliable biological safety barrier against potential microorganisms.

02

Reliable Performance Flow

Maintains a stable flow rate of 6.6 GPM at the point of entry. This consistent output is crucial for multi-story homes to ensure every shower and faucet receives filtered water without experiencing pressure drops.

03

MAX PURE Automatic Efficiency

The system automatically executes essential regeneration cycles with precision. This intelligent automation optimizes resource consumption (salt and water) and actively maintains the maximum capacity of the softening media, minimizing the need for manual upkeep.

04

Robust & Space-Optimized Design

Featuring a steel frame and durable composite shell, the system is built to withstand varied conditions. Its flexible, space-saving footprint is ideal for installation in technical rooms, balconies, or areas where resilience and size are critical factors.Karofi water purifiers deliver output water certified to meet the National Technical Regulation QCVN 6-12010/BYT – the highest standard for bottled drinking water in Vietnam. Each product batch undergoes independent testing by the National Institute of Occupational and Environmental Health, ensuring complete peace of mind for direct consumption by you and your family.

Specifications

Get to know the details

Technical details for planning your installation

Model	WHF-E666 PLUS Whole-House Filtration System
Input Voltage	110-220V / 50 - 60Hz
Filtration Capacity	6.6 - 8.8 GPM
Operating Water Pressure	30 – 125 psi
Operating Water Temperature	37° 100°F
Input Water Standard	Municipal tap water or pre-treated water
Maximum Iron Removal Capacity	≤ 0.58 GPG
Maximum Water Softening Capacity	≤ 58.3 GPG (as CaCO₃)
Regeneration Media	Purified salt and water
Filtration System	MAX PRO Multi-Stage Filtration System:– 20" PP pre-filter– Multi-media filtration column (quartz sand, anthracite, activated carbon, ODM-2F media)– MAX SOFT resin column using cation exchange resin & purified salt
System Dimensions (W × D × H)	37.4 x 29.5 x 57.1 inches
Net Weight	275.6 lbs
Color	White
Control Type	Touch-screen automatic control
Salt Refill Alert	Yes
Automatic Backwash & Regeneration	Yes

Your questions, answered

A little more clarity

What to know before you choose

833-452-7634

Is shipping and installation included?

Yes. Karofi offers free shipping and free installation for all eligible purchases. Our certified technicians make sure your system is installed correctly and ready to use, at no additional cost

Do I need a water test before choosing a system?

It's recommended. A free in-home water test shows what's in your water so our expert can confirm this system is the right fit for your home

How often do filters need to be replaced?

Replacement timing depends on your water quality and daily use. Your Karofi expert will explain the schedule for your system, and smart monitoring helps remind you when maintenance is due

Can I finance my purchase?

Yes. You can get pre-approved without affecting your credit through our application form

What if I'm not sure this is the right product?

Request a free consultation or book a free water test. A Karofi water expert will compare options for your water and home, with no obligation to buy

Which areas do you serve?

We serve homes in California. Share your ZIP code in the form and our team will confirm availability