iSpring WCFM400K Whole House Central Iron and Manganese Water Filter Filtration System, Digital Controlled Automatic Regeneration and Air Injection, Set & Forget
About this item
- Enjoy Clean Water from Every Faucet: WCFM400K is an efficient and economical whole house central filtration system to reduce dissolved iron and manganese compounds from raw water supplies. Reduces iron, manganese, solids, and turbidity with sediment filtration. With an automatic media regeneration feature and digital control valve, the system is maintenance-free after setup.
- Use No Chemicals: With new technology, WCFM400K whole house water filtration system uses only air for media regeneration. The filter media is certified to NSF/ANSI Standard 61. Unlike similar systems from other manufactures, iSpring WCFM400K uses no oxidizers or chemical feed other than the same air we breathe.
- "Set & Forget'': Simple to install and easy to set up. Customizable auto-flush intervals depending on your incoming water quality and usage, saving you time and money in the long run. It is indeed a silent guard at the point of entry for your entire house with well or city water. Note that this system DOES NOT remove hydrogen sulfide(H2S) and would cause system damage if the water contains hydrogen sulfide(H2S). Please consider our WCFM500K for removing hydrogen sulfide(H2S) in water.
- Peace of Mind Customer Service: Besides a 30-day money-back guarantee, iSpring stands behind its products by providing a 1-year manufacturer warranty and lifetime free technical support. Extended warranty plans are also available upon registration online. Local customers are welcome to visit us and pick up products at our warehouse in Cumming, GA.
- Please Note: Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS). If you are interested in removing TDS, please consider our iSpring Reverse Osmosis (RO) systems for additional protection.
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iSpring WCFM400K Whole House Central Iron and Manganese Water Filter Filtration System, Digital Controlled Automatic Regeneration and Air Injection, Set & Forget

Specially designed to remove Fe and Mn
Enjoy clean water from every faucet at home. iSpring WCFM400K removes iron and manganese from your water efficiently and effectively. The system uses air injection with advanced catalytic media to remove iron and manganese from the water. During the backwash process, the system introduces fresh air into the top of the tank. As the water passes through the pocket, it is infused with the oxygen in the fresh air, and the advanced catalytic media is a catalyst between the iron, manganese, and the air. The oxidation process is almost instantaneous; the iron and manganese precipitate and are trapped by the media bed. The system's electronic control valve automatically backwashes the system to clean the filter media and flush the precipitated iron and manganese down to the drain.
The filter media inside of the WCFM400K acts as an insoluble catalyst to enhance the reaction between dissolved oxygen (D.O.) and iron compounds. The dissolved iron is usually in the ferrous bicarbonate state in ground waters due to exceeding free carbon dioxide and is not filterable. The filter media, acting as a catalyst between the oxygen and the soluble iron compounds, enhances the oxidation reaction of Fe2+ to Fe3+ and produces ferric hydroxide, which precipitates and may be easily filtered. The media is not consumed in the iron removal operation and therefore offers a tremendous economic advantage over many other iron removal methods.
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Enjoy Clean Water from Every Faucet at Home
Specially designed to remove iron and manganese from your water. iSpring's WCFM400K whole house water filter reduces iron, manganese, solids and turbidity. This system is installed at the point of entry (POE) and filters water for your entire home.
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Personalize the System Based on Your Situation
With the digital screen and smart control valve, you can easily set the filter media auto regeneration intervals based on your water quality, family size, and preferred time. If there's a change among the factors or you want to start a regeneration immediately, all you need to do is press a few buttons. It's all about YOU.
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Advanced Technology of Self-cleaning - Use No Chemicals
The first step of backwashing effectively removes contaminants attached to the filter media, restoring the filter's performance and extending its lifespan. The second step introduces fresh air into the top of the tank for oxidation. Unlike some systems from other manufacturers, no additional oxidizers or chemical feeds are needed for our system.
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Improve Your Quality of Life
Upon purchasing the system, you are investing in a healthier life and peace of mind. Cooking, bathing, and washing clothes with filtered water keeps you away from poor water quality that harms your health. Filtered water also helps to extend the lifespan of your plumbing system and the household appliances, releasing your plumbing repair and replacement burdens.

Please Note
- This unit is not a water softener and It will NOT reduce hardness. If your water is very hard, please let us know.
- Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS) and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, also consider our iSpring Reverse Osmosis (RO) systems for additional protection.
- We recommend installing this system before a water softener if applicable.
- If you have any questions or concerns about the product, please feel free to reach out. We are happy to help!
- Availability: In Stock
- Model: WCFM400K
- Manufacturer: iSpring
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