Experience the iSpring Difference
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First Stage PP Sediment Water Filter
Multi-layer filtration for fewer clogs and minimal pressure loss.
Specially designed to remove sediments, dust, sand, large particles, silt, dirt, and rust.
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Second Stage Carbon Block Water Filter
iSpring FC15B carbon block water filter uses premium coconut shell carbon and advanced fabrication for optimal efficiency and longevity.
It filters up to 50,000 gallons, and is SGS-tested ot remove up to 96.34% of chlorine, as well as color, cloudiness, and various tastes and odors from water.
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Third Stage Lead Removal Water Filter
SGS-tested media removes up to 99% of lead from your water, ensuring safer drinking water for your household.
It also helps reduce trace of other heavy metals like arsenic, cadmium, and mercury, delivering cleaner, safer water throughout your home.
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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 carbon 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, Chlorine, Lead
- Sediments
- Chlorine, Odor, Taste
- Lead
- Water Leaks (w/ Auto Shut-Off)
- Filter Lifespan
- Media
- PP Carbon MetSorb
- Polypropylene
- Coconut Shell Carbon
- Carbon MetSorb
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- Recommended Replacement Cycle
- Every 6-12 months
- Up to 50K Gallons / 12 Months
- Up to 50K Gallons / 12 Months
- Up to 50K Gallons / 12 Months
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- 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
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- Number of Filters
- 3
- 1
- 1
- 1
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- Up to 3
Product Description
The iSpring WGB31B-CPB 3-stage water filter system is a compact yet powerful solution for improving your home’s water quality. Featuring a 3-stage water filtration setup, it includes a 10" polypropylene sediment filter that captures dirt, rust, and debris, followed by a CTO carbon block that reduces chlorine, tastes, and odors. The final stage employs a dedicated lead-reduction cartridge whose filter media has been independently tested by SGS for lead reduction, effectively reducing up to 99% of lead. It also helps reduce trace of other heavy metals like arsenic, cadmium, and mercury, delivering cleaner, safer water throughout your home. Ideal for households seeking a reliable whole house water filtration system, the WGB31B-CPB is built with a 1” inlet/outlet and standard 10” x 4.5” filter housings to maintain strong water flow (up to 15 GPM). Whether you’re using city or well water, this water filter system provides a space-saving, budget-friendly solution without sacrificing performance.