iSpring 3-stage Whole House Water Filter System, Reduces Iron, Manganese, Hydrogen Sulfide, Heavy Metals, Chlorine, Sediments, 10” x 4.5” Filters, 1” Inlet/Outlet, Model: WGB31B-MKS

$319.99

About this item

Targeted Iron & Manganese Reduction: The specialized iron filter (FM15B) is engineered to effectively reduce iron (up to 3.0 ppm) and manganese (up to 1.0 ppm), protecting your plumbing, appliances, and water quality.
Powerful Heavy Metal Reduction – The FG15B-KS water filter in the second stage uses a GAC KDF media to reduce lead, mercury, hydrogen sulfide, chlorine, pesticides, herbicides, and other common contaminants found in both city and well water.
High-Efficiency Sediment Filtration: The FP15B PP sediment removal filter effectively captures sand, silt, rust, and other suspended particles, ensuring cleaner water and protecting your plumbing and appliances from damage.
Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
Long-Lasting Performance: Built for durability and steady flow, this whole house water filter treats up to 50,000 gallons or 12 months, providing families with reliable, long-term filtration.
DIY-Friendly Installation: With 1” NPT inlet/outlet and standard 10” x 4.5” cartridges, the WGB31B-MKS whole house water filtration system is easy to install with our step-by-step manual and YouTube guides. It maintains strong water flow (up to 15 GPM) and requires minimal upkeep.
Hassle-Free Maintenance: Convenient red pressure release buttons make filter changes quick and simple by releasing built-up pressure in the housings.
Peace of Mind Guaranteed: Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase.
Fresh & Ready: Cartridges arrive individually sealed to maintain top filtration quality. Unwrap before installing.
Please Note: This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.

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This Item: 3-stage Whole House Water Filter System, Reduces Iron, Manganese, Hydrogen Sulfide, Heavy Metals, Chlorine, Sediments, 10” x 4.5” Filters, 1” Inlet/Outlet, Model: WGB31B-MKS $319.99

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iSpring WGB31B-MKS 3-stage Whole House Water Filter System, Reduces Iron, Manganese, Hydrogen Sulfide, Heavy Metals, Chlorine, Sediments, 10” x 4.5” Filters, 1” Inlet/Outlet, Model:

$319.99

Experience the iSpring Difference

First Stage PP Sediment Water Filter

iSpring FP15B multi-layer filtration effectively reduces clogs and minimizes pressure loss, ensuring that your entire filtration system operates smoothly.

This filter is designed to eliminate sediments, dust, sand, silt, and rust from your water supply.
The Second Stage Water Filter

iSpring FG15B-KS targets chlorine, chloramine, PFAS, lead, mercury, hydrogen sulfide, heavy metals, herbicides, odors, and more.

The Third Stage Water Filter

iSpring FM15B water filter effectively reduces iron (up to 3 ppm) and manganese (up to 1 ppm).

If your iron level is above 3 ppm, or manganese level above 1 ppm, please consider iSpring WCFM500K high capacity iron, manganese, and hydrogen sulfide reducing whole house water filter system instead.
Compact Yet Powerful

Perfect for apartments, small homes, or vacation properties, this whole house water filter system delivers long-lasting, high-performance filtration while fitting into tight spaces.

Three stages of sediment and composite filters provide more thorough contaminant removal than standard 2-stage systems.

DIY Installation

A Team You Can Count On

Recommended Setup Order

Replacement Water Filters and Accessories

Tackles
Sediments, Iron, Heavy Metals
Sediments
Heavy Metals, Chlorine, H2S
Iron(3 ppm), Manganese(1 ppm)
Water Leaks (w/ Auto Shut-Off)
Filter Lifespan

Media
PP GAC&KDF Catalytic Media
Polypropylene
GAC KDF
Catalytic Media
-
-

Recommended Replacement Cycle
Every 6-12 months
Up to 50K Gallons / 12 Months
Up to 50K Gallons / 12 Months
Up to 30K Gallons / 12 Months
-
Up to 12 Months

Size
4.5” x 10”
4.5” x 10”
4.5” x 10”
4.5” x 10”
3/4” NPT 20 feet sensor x 2
-

Number of Filters
3
1
1
1
-
Up to 3

Product Description

The iSpring WGB31B-MKS 3-stage whole house water filter system delivers powerful protection in a compact 10” x 4.5” size, ideal for households with limited space or moderate water usage. This 3-stage system includes a polypropylene sediment filter to capture dirt, sand, and rust; a compound filter that targets chlorine, lead, heavy metals, hydrogen sulfide, herbicides, and odors; and a dedicated iron & manganese filter that reduces up to 3.0 ppm of iron and 1.0 ppm of manganese for cleaner, safer water. Built with standard 1” inlet/outlet ports and 10” x 4.5” filter cartridges, this compact iron removal system installs easily and filters up to 50,000 gallons with minimal pressure drop. Each cartridge is individually sealed to maintain freshness and performance. For total dissolved solids (TDS) reduction, pair it with iSpring Reverse Osmosis systems for complete water purification.

Availability: In Stock
Model: WGB31B-MKS
Manufacturer: iSpring
Product Dimensions: 24.50"L x 10.80"W x 18.00"H
Product Weight: 27.50 LB