# iSpring WGB31BCM 3-Stage Whole House Water Filter

The iSpring WGB31BCM whole house water filter is a three-stage system with a clear first-stage housing and a listed maximum flow rate of 15 gpm. Its advertised filtration targets include iron, manganese, chlorine and sediment, while the manufacturer says it does not reduce water hardness or TDS.

- [Original product page](https://best-deals.pro/product/ispring-wgb31bcm-whole-house-water-filter)
- [View offer](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- Market: US
- Language: en-US
- Currency: USD
- Brand: iSpring
- Model: WGB31BCM
- Category: Tools & Garden > Electrical & Plumbing
- Price: 251.99 USD
- Previous price: 315.99 USD
- Discount: 20%
- Price checked: 2026-11-14T07:06:42.490Z
- Rating: 4.7 / 5
- Reviews: 21

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The clear first-stage housing is intended to make sediment buildup and discoloration visible for filter-condition checks.
- The manufacturer says the three-stage system reduces iron, manganese, chlorine, sediment, rust, taste and odor, among other listed substances.
- Listed service life is up to 50,000 gallons or 12 months, depending on water conditions and use.
- Built-in pressure-release buttons are intended to help reduce spills during filter changes.

## Pros

- Clear first-stage housing gives a visual way to check sediment buildup without opening the housing.
- The claimed 15 gpm maximum flow and whole-house configuration are relevant for treating household supply rather than a single tap.
- The manufacturer describes retaining naturally occurring minerals while not reducing TDS.

## Cons

- It does not reduce water hardness or TDS, so it is not a standalone solution for buyers seeking softening or total dissolved solids reduction.

## Specifications

### Identity
- Brand: iSpring
- Model: WGB31BCM
### Dimensions and installation
- Dimensions listed: 24.5"L x 24.5"W x 24.5"H
- Installation type: Whole House Water Tank
- Inlet / outlet: 1 inch Female NPT
### Filtration and performance
- Stages: 3-Stage
- Purification method: Activated Carbon
- Maximum flow rate: 15 gpm
- Capacity: 50000 gallons
- Filter life cycle: 12 months
- Iron reduction claim: up to 3 ppm
- Manganese reduction claim: up to 1 ppm
### Operating conditions
- Minimum working pressure: 25 psi
- Maximum working pressure: 80 psi
- Operating temperature: 40-100 ºF
- pH range: 6 - 9

## Before you buy

- The listing gives conflicting system dimensions: the technical details show 24.5"L x 24.5"W x 24.5"H, while feature text describes 24.5" × 18" x 8". Confirm the actual footprint and clearance before planning installation. The stated capacity and 12-month life are conditional on water conditions and usage. The manufacturer recommends indoor installation in a ventilated area away from direct sun and heat, with weather and frost protection if installed outdoors.

## In the box

- System (Included)
- Filters (Included)
- Wrench (Included)
- Manual (Included)

## A good fit for

- Households seeking whole-house filtration targeting iron, manganese, chlorine, sediment, rust, taste and odor.
- Buyers who value a clear first-stage housing for visual sediment checks.
- Smaller homes or properties where a compact whole-house unit is desired, after confirming dimensions and installation space.

## Less suited to

- Buyers who need water softening or TDS reduction from this system alone.
- Installations where the actual system footprint cannot be confirmed or accommodated.

## Customer feedback

Aggregate customer ratings lean positive, with most ratings in the five-star category, but the available rating evidence does not explain why customers rated it that way. It offers only a limited guide to fit or filtration results, so buyers should weigh their own water conditions, the stated capacity and the system's limits on hardness and TDS.

## Frequently asked questions

### Does the WGB31BCM soften hard water?
No. The manufacturer says it does not reduce water hardness. A separate water softener may be needed for hard water.
### Does this system remove TDS?
No. The manufacturer says it retains naturally occurring minerals and does not reduce total dissolved solids. It suggests pairing with a reverse osmosis system if TDS reduction is wanted for drinking water.
### How often do the filters need replacement?
The listing gives up to 50,000 gallons or 12 months, depending on water conditions and usage. The clear first-stage housing is described as a visual aid for monitoring sediment buildup.
### What should I confirm before installation?
Check the system's actual dimensions because the listing gives two different sets. The listed connections are 1 inch Female NPT, and the stated operating conditions are 25–80 psi, 40–100 ºF and pH 6 - 9.

## Alternative options

- [iSpring WCFM550K Whole House Iron Filter, Iron & Sulfur Water Filter \| Reduces Iron, Manganese & Hydrogen Sulfide, Automatic Backwash, High Flow for Well Water](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring WGB21B-DS 2-Stage Anti-Scale Whole House Water Filter System \| SGS-Tested CTO Filter, Reduces up to 99% Chlorine, Taste&Odor, Prevents Corrosion, 10" x 4.5", 1" inlet/outlet, 80K Gallons](https://best-deals.pro/visit/ispring-wgb21b-ds-two-stage-whole-house-water-filter)
- [iSpring Whole House Water Filter System, Reduces Sediment, PFAS, Heavy Metals, Chlorine, Chloramine, Hydrogen Sulfide, 2-Stage Whole House Water Filtration System, Model: WGB22B-KS](https://best-deals.pro/visit/ispring-wgb22b-ks-two-stage-whole-house-water-filter)
- [iSpring Whole House Water Filter System w/First-Stage Clear Housing \| Reduces Chlorine, Sediments, Chloramine, Taste, Odor, 3-Stage 20"x2.5" Water Filters, 3/4" Inlet/Outlet, Model: WCB32C-GAC](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring Iron, Manganese, H2S Whole House Water Filter System \| Also Reduces Lead, Mercury, Chlorine, Sediments, 1-Inch Inlet/Outlet, Up to 12 Months or 150K Gallons, Model: WGB32B-MKS](https://best-deals.pro/visit/ispring-wgb32b-mks-whole-house-iron-manganese-water-filter)
- [iSpring SGS-Tested Lead Removal Whole House Water Filter System, Reduces Sediments, Chlorine, and up to 99% Lead, Model: WGB32B-CPB](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring WGB31B-KS Heavy Metals Whole House Water Filter System \| Reduces Lead, Chlorine, Mercury, Sediments, Hydrogen Sulfide, 1” Inlet/Outlet, Up to 12 Months or 50K Gallons](https://best-deals.pro/visit/ispring-wgb31b-ks-3-stage-whole-house-water-filter)
- [iSpring WCFM400K Whole House Iron and Manganese Water Filter System, Digital Control with Automatic Regeneration & Air Injection, Set & Forget Design](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [Aquasana Whole House Water Filter System \| 1M Gal \| UV \| WH-1000-CS-UVS-B \| 10-Year Filter \| 14.6 GPM \| Carbon & KDF \| Reduces Bacteria & Viruses \| Salt-Free Scale Control \| Pro Kit \| 10-Year Warranty](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring WHO32B Whole House Water Filter System, Horizontal Housings for Ease Filter Replacement, Reduces Chlorine, Sediment, Odors, Commercial-Grade 3-Stage 20"x4.5" Industry Standard Filters](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring RCS5T Commercial Tankless Reverse Osmosis RO Water Filter System with 1.5:1 Pure to Drain Ratio, Pressure Gauge](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring WGB21BM 2-Stage Whole House Water Filtration System, 10” x 4.5” Carbon Block and Iron & Manganese Reducing Filters, 1" Ports](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)

## Add-ons

- [iSpring F3WGB31BM 4.5" x 10" 3-Stage Whole House Water Filter \| Reduces Iron, Manganese, Chlorine, Sediments, Taste, and Odor, Industry-Standard Water Filter Fits WGB31BM & WGB31BCM](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)
- [iSpring FP15B Sediment Filter for Whole House Water Filtration Systems, High Capacity 5-Micron Premium PP, 4.5" x 10", White](https://best-deals.pro/visit/ispring-wgb31bcm-whole-house-water-filter)

## Images

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 1](https://best-deals.pro/i/uSze5aqoW3sxRXW016McTa4YunmDyvtx0lQA2Ex9T9X46V9swiCXxYvpjjh4lFknu6MSrmWTuUpB1UhablUcNUuQvncr69uLw454JGORRt5JtsapgfYi.jpg)

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 2](https://best-deals.pro/i/XaeKNtHb0JhWn15MQh95XwoLqWoVIuxh4nvp14YyNH4ku5hkwOAL7Uwf8Vo8IzmFoGP2WJZ-ENOHuf-hpoR1PfttM7TFWhJKhIVdSj2rlvwnxsRJLmiE.jpg)

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 3](https://best-deals.pro/i/F3pX6dO4F74XoKa1NWByW3Dz4ijt-jF-p1OR7MDjIkTb7VfWYHhFjsm1wSQic0gZ589wfZCe_MEmSgXuKn_fZTvnOopht5TnM837Burl9Q1wNHu2kCjs.jpg)

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 4](https://best-deals.pro/i/dfdEIeGBZvnoXKPx7Z9bZFmhXurb8rr_l6yYqNjGJgAqd7ExSqQodLFqKSmzVjZvU4Rtcd_h6fvbWPA7e1WREJoMBlQ6nKIz5YL3GyDcTxOudqz2ooiI.jpg)

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 5](https://best-deals.pro/i/4sH5mPn82N7CZpB2voGCWToqkZqYonUFDKUeuG8TXf92dH8kyr7eqAhWz3QSPoKL92NNv19B2s-1xYaRLWyqHaC50Y1DEBElyAb1TihDhnc4dbz7YvKK.jpg)

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 6](https://best-deals.pro/i/A8lVkqVlIgxctPd1isgFO_-RDanxc3fXUBTOGtVoPQE8Nir92kWMjqER27heDVzu8IkWzgtQE1IiLZmxdtigaWc7TnNWTZ5oPmJMdYUOMxslJW_-csrl.jpg)

![iSpring WGB31BCM 3-Stage Whole House Water Filter — 7](https://best-deals.pro/i/Ijw8yjmMmwEWz3vizLrSy1ZXRnVml3OfX1vrseZB7iqnUeZoLIfrHmdhAuTCrcJ9zZJX7abnmwZYN13JFWWSTO1TSWJ08_8touB_nkhgOwrEJElJT4Qj.jpg)