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Aquasential® Select Plus Series® Sulfur-OX3® Water Filter

Refresh your home’s water and address rotten-egg smells with a sulfur filter that targets the hydrogen sulfide problems common in well water. This affordable system provides cleaner, crisp water without unpleasant odors.

Ready for a whole home water upgrade? Your local Culligan® water experts can help determine the right solution for your well or municipal water. Schedule your free, in-home water test or phone consultation to get started.

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Value Plus Performance

Exclusive Monitoring

Monitor daily water use and get advanced system diagnostics with Culligan’s unique Soft-Minder® Meter.

Flexible Options

Choose from indoor or outdoor models to best fit your home.

Targeted Filtration

Address hydrogen sulfide problems with natural aeration technology.

Zero Chemicals

Take comfort that operation and reconditioning are chemical-free with a process that naturally cleans your water.

Exclusive Monitoring

Monitor daily water use and get advanced system diagnostics with Culligan’s unique Soft-Minder® Meter.

Flexible Options

Choose from indoor or outdoor models to best fit your home.

Targeted Filtration

Address hydrogen sulfide problems with natural aeration technology.

Zero Chemicals

Take comfort that operation and reconditioning are chemical-free with a process that naturally cleans your water.

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Additional Features of the Sulfur Water Filter System

The sulfur filter system is more than just a water filter to remove rotten egg smell. With unique features and advanced technology, your home water experience will be better than ever.

  • Reliable Construction

    Feel confident with a sturdy media tank with a filament-wound exterior and the smooth, non-permeable inner tank shell.

  • Bypass Valve

    Save your treated water by putting your system in bypass for any uses that don’t benefit from filtered water, such as watering the lawn

  • Assured Performance

    Worry less with the easy-to-read display that lets you know your filter is working and warns of any system malfunctions.

100% Satisfaction Guarantee

If you are dissatisfied with your Culligan product for any reason within 30 days of your purchase, Culligan will remove the product and refund the purchase price.

Third-Party Certified

Culligan Aquasential Select Plus Sulfur-OX3 water filter systems have been tested and certified by WQA against NSF/ANSI Standard 372 and NSF/ANSI Standard 42 for the effective reduction of hydrogen sulfide up to 500 gallons as verified and substantiated by test data. The indoor systems are also certified to CSA B483.1. Learn more about product certifications here.

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Ready To Take the Next Step?

Schedule a free, in-home consultation and water test to get one step closer to the safer water your home deserves. With options to buy, finance or rent, your local Culligan water experts will make recommendations based on your home, water usage, test results and any other concerns.

Schedule Free Water Consultation

More Reasons to Choose a Culligan Sulfur Filter

01

Customized Filtration

Enjoy cleaner, high-quality water throughout your home with a system designed to target hydrogen sulfide.

02

Freshness

03

Protection

04

Full Coverage

Our Environmental Impact

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Zero-Chemical Processes

This system was developed to use natural processes and no chemicals to benefit the environment.

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Earth-Conscious Innovation

We prioritize sustainability in designing and developing new products.

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Global Water Leadership

Culligan has joined the CEO Water Mandate and the Water Resilience Coalition to lead the way in positive, global water stewardship.


Specifications

Warranty

Culligan products are reliable and long-lasting, with industry-leading warranties.

  • Fiberglass tank, control valve body, excluding internal parts and the filter tank: Ten years
  • The AccuSoft® circuit board, and Soft-Minder meter, if so equipped: Five-year warranty
  • Entire system: One-year warranty

To access customer support, call your local Culligan water expert or​ fill out this Maintenance & Support form​.

Download Owner’s Guide

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Product Specifications

10”

Media Tank Size

10” x 54”

Overall Height

67”

Water Pressure Limits

20 - 60 psi

Temperature Limits

33° - 120° F

Electrical Requirements

24V/60Hz


Installation & Maintenance​


Questions & Answers

Is the Aquasential Select Plus Series Sulfur-OX3 Water Filter good for well water?

Does this water filter system solve any other water problems?

How does the system filter sulfur out of water?

How do I know if there are high levels of hydrogen sulfide in my water?


Ratings & Reviews

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Immediately improved water quality & removed sulfur/rotten egg smell!

Easy start to finish process.

Danelle F, CA

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Great company!

Stupendous customer service from all staff and technicians.

Matthew B, ON

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I had a Culligan water system put in & there was no more sulfur smell & the water tasted much better.

It was well worth the money.

Allen Z, NY

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Immediately improved water quality & removed sulfur/rotten egg smell!

Easy start to finish process.

Danelle F, CA

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Great company!

Stupendous customer service from all staff and technicians.

Matthew B, ON

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I had a Culligan water system put in & there was no more sulfur smell & the water tasted much better.

It was well worth the money.

Allen Z, NY

big quote icon
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Immediately improved water quality & removed sulfur/rotten egg smell!

Easy start to finish process.

Danelle F, CA

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Let’s Get Started

Start enjoying the benefits of trustworthy water in your home with help from your local Culligan water experts.

Schedule Free Water Consultation

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1Max flow rates and pressure drop characteristics have not been validated by the Water Quality Association. The maximum specified flow rate at which the system will deliver treated water, as validated by the Water Quality Association, is defined as service flow.
2 Backwash at 120 psi (830 kPa).
3 Factory settings.
4 Factory settings and 120 psi line pressure.