HUM Chemical Free FOK Iron/Sulphur/Manganese Filter 2.0
HUM Chemical Free FOK Iron/Sulphur/Manganese Filter 2.0
Part Number: WD CFOK20
AIO Katalox Light filtration system for reducing iron, manganese, sulphur odour, and sediment in well water. Requires a minimum 12 GPM backwash flow rate for proper operation and media cleaning.
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The HUM Chemical Free FOK Iron/Sulphur/Manganese Filter 2.0 is a high-capacity whole house water filtration system designed to reduce iron, sulphur odors, and manganese without the use of harsh chemicals. Featuring an advanced air injection oxidation system and a premium Made-in-USA control valve, this system offers an efficient, low-maintenance solution for improving well water quality while remaining septic-system friendly.
This chemical-free filtration system is ideal for homeowners looking to reduce staining, metallic taste, rotten egg odors, and manganese buildup with minimal ongoing maintenance costs.
Key Features
• Chemical-free filtration for iron, sulphur, and manganese reduction
• Premium Made-in-USA water filtration valve
• Built-in air injection oxidation system
• Septic-safe alternative to chemical-based greensand systems
• Lower ongoing maintenance costs compared to chemical injection systems
• Power cell backup retains settings during power outages
• Ships pre-programmed and ready to install
• Compatible with constant pressure systems and jet pumps
Chemical-Free Air Injection Filtration
The integrated air injection system oxidizes contaminants naturally without the need for chlorine, potassium permanganate, or other chemicals. This provides an environmentally friendly and lower-maintenance approach to treating problem well water.
Reliable USA-Made Valve
Equipped with a premium American-made control valve, this system is engineered for dependable operation, easy programming, and long-term durability.
Power Interruption Protection
The built-in power cell backup helps preserve system settings and time during power interruptions, reducing the need for reprogramming after outages.
Installation Notes
• Ships fully programmed and ready for installation
• Compatible with constant pressure and jet pump systems
• Requires a minimum 10 GPM flow rate for proper backwashing performance
Specifications
• Model: WD CFOK20 BFCM
• System Size: 2.0 Cubic Foot
• Application: Whole House Well Water Filtration
• Reduces: Iron, sulphur odor, and manganese
• Filtration Type: Chemical-free air injection oxidation system
• Required Backwash Flow Rate: 10 GPM minimum

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FAQs
How do I cancel or edit an order?
How do I cancel or edit an order?
Unfortunately, we cannot cancel orders due to a change of mind. However, we understand that mistakes happen. If you need to edit your order information, such as the delivery address or contact number, please contact our customer service as soon as possible.
Here’s what you can do:
- Contact our customer service via email address, or Live Chat.
- Have your order number ready when contacting customer service.
- We cannot guarantee changes to orders after 24 hours of placement. This is because orders may be processed once received
How can I track my order?
How can I track my order?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
What if there is a problem with my order?
What if there is a problem with my order?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
I didn't receive all off my order?
I didn't receive all off my order?
If part of your order is missing, please check the shipping confirmation email to see if the items were sent separately. If all items should have arrived together or if you have concerns, contact our customer service team with your order number. We’ll investigate and resolve the issue promptly.

