The HUM Chemical Free Sulphur and Iron Water Filter FOC 1 Cubic Foot is a fully automatic whole-home filtration system designed to help eliminate rotten egg odor caused by hydrogen sulphide while also helping reduce iron in well water — all without the use of harsh chemicals.
Using advanced air injection oxidation technology and a premium Made-in-USA Clack control valve, this chemical-free system provides a low-maintenance, septic-friendly solution for improving water quality throughout the home.
Key Features
• Chemical-free whole-home sulphur and iron filtration
• Helps eliminate rotten egg odor from water
• Premium Made-in-USA Clack control valve
• Air injection oxidation system included
• Fully automatic backwashing operation
• Septic-system friendly alternative to chemical filters
• PowerCell backup retains settings during outages
• Ships pre-programmed and ready to install
• Compatible with constant pressure systems and jet pumps
• Bypass valve included
Chemical-Free Air Injection Technology
The integrated air injection system oxidizes hydrogen sulphide and iron naturally without requiring chlorine, potassium permanganate, or other chemicals. This helps reduce ongoing maintenance costs while providing a more environmentally friendly treatment solution.
Helps Reduce Common Well Water Problems
This system is designed to help reduce:
• Rotten egg odor caused by hydrogen sulphide
• Iron staining and buildup
• Metallic tastes and odors
Performance Capabilities
• Removes up to 2.0 ppm hydrogen sulphide
• Recommended service flow rate: 5.0 GPM
• Required backwash flow rate: 5.3 GPM
Note: Not recommended for water containing more than 1.5 ppm iron.
Reliable Clack Control Valve
The system features a premium electronically controlled Clack water treatment valve engineered for long-term reliability and simplified maintenance.
Valve Features Include
• Fully automatic operation
• Electronically controlled efficiency and reliability
• PowerCell backup for settings retention during outages
• Tool-free valve disassembly in under 5 minutes
• No nuts, bolts, screws, or springs for simplified servicing
Installation & Compatibility
• Ships fully programmed and ready to install
• Fully compatible with constant pressure systems and jet pumps
• Includes bypass valve
Important Installation Note
• Recommended drain line size: 3/4"
Specifications
• Product Number: WD CFOC10
• Model: WDFOC-1
• Media Volume: 1 Cubic Foot
• System Type: Whole House Chemical-Free Sulphur & Iron Filter
• Dimensions: 63" H × 10" Diameter
• Valve Type: Clack electronic control valve