Stage 01
5-Micron Sediment
Melt-blown polypropylene media helps capture dirt, sand, silt, visible rust particles and other suspended debris while protecting the carbon stages downstream.
Premium 3-Stage Whole House Filter System 10″ x 4.5″ – Sediment 5µm + GAC + CTO, 2 Sets Included (1 Installed + 1 Spare), SKU# WHS-3SGC-10BB-E
$249.00
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Description
High-capacity whole-home filtration
Three Big Blue filtration stages with 1″ brass-threaded ports and a complete spare filter set
This point-of-entry system connects to the home’s main cold-water line and filters water before it reaches connected faucets, showers and appliances. Large 10″ × 4.5″ housings provide sediment prefiltration followed by two complementary carbon stages.
3 stagesSediment + GAC + CTO
10″ × 4.5″Big Blue cartridges
1″ NPTBrass-threaded ports
2 sets1 installed + 1 spare
What it does
Large-capacity sediment and carbon filtration for the whole home
Water passes through the cartridges in sequence: sediment first, then granular activated carbon, followed by a carbon block polishing stage.
Installed where the main water supply enters the home, the system helps capture suspended particles and improve chlorine-related taste and odor before water is distributed through the plumbing.
Stage 02
GAC Carbon
Granular activated carbon supports whole-house flow while helping reduce chlorine, unpleasant taste and odor, and many common organic compounds.
Stage 03
CTO Carbon Block
A 10-micron nominal carbon block provides a final polishing stage for chlorine-related taste and odor while helping capture finer particles.
Key benefits
High-capacity housings, practical servicing and replacement value
Big Blue capacity
Three standard 10″ × 4.5″ housings provide more media capacity than slim 10″ × 2.5″ systems.
Two carbon stages
GAC supports household flow while the CTO carbon block provides additional taste-and-odor polishing.
Brass-threaded ports
Reinforced 1″ NPT inlet and outlet connections are designed for whole-house plumbing installations.
Pressure-release buttons
Each housing includes a pressure-release button to simplify depressurizing the system before filter service.
Two complete filter sets
One sediment, GAC and CTO set is installed, and one complete replacement set is included as a spare.
Preassembled system
The three housings arrive assembled on the metal mounting bracket; final plumbing installation is required.
Reduction guide
What the included filters help reduce—and what requires different treatment
The standard sediment, GAC and CTO filter stack is intended for particulate and chlorine-related water-quality concerns. Other conditions may require specialty media, softening, disinfection or reverse osmosis.
Helps reduce with the included filter set
Sediment
Dirt and silt
Sand
Visible rust particles
Suspended debris
Chlorine
Unpleasant taste
Unpleasant odor
Many common VOCs
Particle-related cloudiness
Dirt and silt
Sand
Visible rust particles
Suspended debris
Chlorine
Unpleasant taste
Unpleasant odor
Many common VOCs
Particle-related cloudiness
Actual reduction and cartridge life depend on source-water chemistry, pressure, flow rate, household use and filter condition.
Not designed to remove without specialty treatment
Hardness minerals
Dissolved scale
Dissolved iron
Fluoride
Chloramine
Bacteria or unsafe water
Dissolved salts / TDS
Dissolved scale
Dissolved iron
Fluoride
Chloramine
Bacteria or unsafe water
Dissolved salts / TDS
Chloramine generally requires catalytic carbon; hardness usually requires a water softener; microbiological concerns require appropriate disinfection; dissolved contaminants may require specialty media or RO.
Product details
Specifications and package contents
| Application | Point-of-entry whole-house cold-water filtration |
|---|---|
| Number of stages | 3: sediment + GAC + CTO carbon block |
| Housing / cartridge size | Standard 10″ × 4.5″ Big Blue |
| Inlet / outlet | 1″ NPT ports with brass thread inserts |
| Service feature | Pressure-release button on each housing |
| Stage 1 | 5-micron nominal melt-blown polypropylene sediment filter |
| Stage 2 | Granular activated carbon filter |
| Stage 3 | 10-micron nominal CTO carbon block filter |
| Housing style | Blue Big Blue sumps with black caps on a metal triple bracket |
| Water temperature | Cold water only; maximum 100°F; protect from freezing |
| Typical filter replacement | Approximately every 3–6 months; sooner with heavy sediment, high use, pressure loss, or returning taste and odor |
| Listed package dimensions | 24 × 18 × 12 in |
| Listed shipping weight | Approximately 20 lb / 320 oz |
| Assembly | Assembled in the USA from imported parts |
| SKU | WHS-3SGC-10BB-E |
What is included inside the package
- ✓Preassembled three-stage metal bracket with three 10″ × 4.5″ Big Blue housings
- ✓One installed filter set: 5-micron sediment + GAC + CTO carbon block
- ✓One complete spare filter set: 3 additional cartridges
- ✓Pressure-release button on each housing
- ✓Big Blue filter-housing wrench
Installation and filter-change manual
Review the installation, flushing, filter replacement and leak-check instructions before use.
Download Manual (PDF)
Review the installation, flushing, filter replacement and leak-check instructions before use.
Download Manual (PDF)
Maintenance and compatibility
Compatible replacement filters and service parts
Use standard 10″ × 4.5″ Big Blue cartridges and service parts intended for compatible 1″ whole-house housings.
3F
SGC-10BB 3-Stage Replacement Set
One 5-micron sediment filter, one GAC cartridge and one CTO carbon block for a complete filter-change cycle.
H
HOUSING10BB Replacement Housing
Standard 10″ × 4.5″ Big Blue housing with 1″ NPT ports, brass thread inserts and a pressure-release button.
W
WRENCH-BB Housing Wrench
Replacement heavy-duty wrench designed for standard 4.5″-diameter Big Blue filter housings.
BR
BR-3-BB Triple Mounting Bracket
Replacement metal mounting bracket designed to support three compatible Big Blue housings.
Before purchase and installation
Good to know
!
This is not a water softener
Sediment and carbon filters do not remove dissolved hardness minerals or prevent all mineral scale.
Sediment and carbon filters do not remove dissolved hardness minerals or prevent all mineral scale.
!
Check whether your city uses chloramine
The included standard GAC and CTO cartridges are intended primarily for chlorine. Chloramine generally requires catalytic carbon.
The included standard GAC and CTO cartridges are intended primarily for chlorine. Chloramine generally requires catalytic carbon.
!
Confirm 1″ NPT plumbing compatibility
Adapters or reducers may be needed when the home’s main line uses a different connection size.
Adapters or reducers may be needed when the home’s main line uses a different connection size.
!
Professional installation is recommended
Use a licensed plumber and follow local plumbing and building codes. Confirm flow direction before connecting the system.
Use a licensed plumber and follow local plumbing and building codes. Confirm flow direction before connecting the system.
!
Protect the housings and leave service clearance
Install in a protected location away from freezing and direct sunlight, with enough clearance to lower each sump during filter changes.
Install in a protected location away from freezing and direct sunlight, with enough clearance to lower each sump during filter changes.
!
Flush and inspect after installation or service
Flush new carbon filters, pressurize the system slowly, and inspect housings and fittings for leaks immediately and again during the next 12 hours.
Flush new carbon filters, pressurize the system slowly, and inspect housings and fittings for leaks immediately and again during the next 12 hours.
Filter life and reduction performance vary with water chemistry, sediment load, pressure, flow rate and household usage. This system is not intended to make microbiologically unsafe or unknown-quality water safe to drink. Test private-well or unknown water and select treatment based on the results.
Not sure whether this filter stack matches your water?
Send your ZIP code, water source—municipal or well—and any recent water-test results.
Send your ZIP code, water source—municipal or well—and any recent water-test results.
Additional information
| Weight | 320 oz |
|---|---|
| Dimensions | 24 × 18 × 12 in |
| Port size | 1" |
| Housing type | Blue |
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