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Replacement Under-Sink Water Filters
  1. Home
  2. Tools & Home Improvement
  3. Kitchen & Bath Fixtures
  4. Water Filtration & Softeners
  5. Replacement Water Filters
  6. Replacement Under-Sink Water Filters
  7. Pentair Pentek GAC-BB…
Pentek

Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity

Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹8,020₹8,940

You save ₹920 (10%)

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Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity — Blue
Blue
₹15,920
₹21,190
In Stock
Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity — 10" x 4.5"
10" x 4.5"
₹8,020
₹8,940
In Stock

Estimated doorstep delivery by 22 Nov - 24 Nov from USA

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All Duties Included
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14-Day Smile Guarantee
14-Day Smile Guarantee

Long-lasting, high-capacity water filtration

About this item

Pentair Pentek GAC-BB Big Blue water filter is a 10-inch cartridge designed for maximum contact with granular activated carbon, reducing chlorine taste and odor for cleaner, fresher water throughout your home. Its internal expansion pad minimizes channeling, ensuring consistent filtration performance. Built with durable materials rated for water up to 125°F, it fits all 10" Big Blue housings, making it a versatile choice for Indian households seeking reliable, low-maintenance water treatment. The filter delivers approximately 12,500 gallons of water, suitable for about 3 months of typical use, with a flow rate of 2 gpm and a low 4 psi pressure drop. After installation, flush the cartridge before use to remove any residual carbon fines. Replace when taste or flow diminishes or every 3 months.

Its granular activated carbon effectively reduces chlorine, VOCs, and suspended particles, supporting healthy, clean water for daily use. The filter's compatibility with heavy-duty housings makes it suitable for whole-house systems, providing a cost-effective, long-lasting solution. Delivered via ExpressBox, duties included, arriving in 11-13 days — a trusted choice for Indian homes seeking quality water filtration from USA.

For Indian buyers, this filter offers a reliable, high-capacity solution that supports daily water needs, with clear replacement intervals and low maintenance. Its robust construction ensures longevity, and the imported quality guarantees performance superior to many local options. Enjoy fresher water with minimal flow resistance, backed by our 14-Day Smile Guarantee and fast delivery.

Key Features

  • BETTER-TASTING WHOLE-HOUSE WATER - Granular activated carbon reduces chlorine taste and odor along with other unwanted tastes and odors, for cleaner, fresher general-purpose drinking water throughout your home.
  • POST-FILTER REDUCES CARBON FINES - A post-filter permanently secured to an internal support basket captures carbon fines and suspended particles, while an internal expansion pad minimizes channeling and bypass for consistent contact time.
  • DURABLE CARBON CONSTRUCTION - Built with a granular activated carbon bed, spun polypropylene post-filter, and polystyrene end caps and casing; rated for water up to 125°F with a low 4 psi drop at 2 gpm.
  • FITS 10-INCH BIG BLUE HOUSINGS - Measures 10" x 4.5" and fits all 10-inch Pentair Pentek Big Blue and other heavy-duty housings; drops in to replace any 10" x 4.5" carbon cartridge.
  • 12,500-GALLON CAPACITY - Delivers roughly 12,500 gallons of filtration; replace about every 3 months, or sooner when you notice a drop in water pressure or a return of taste and odor.

Why choose this product

Premium Granular Activated Carbon

Constructed with high-quality GAC, this filter effectively reduces chlorine, VOCs, and odors, supported by durable polypropylene support and low-pressure operation. Its design ensures maximum contact for efficient filtration, making it a reliable choice for Indian homes seeking safe, clean water.

Ideal for Indian Water Conditions

Rated for water up to 125°F, it withstands Indian hot water temperatures and high chlorine levels. Suitable for whole-house use, it supports daily needs and improves water taste, with easy replacement and long lifespan.

How to use

  • Turn off water supply — Close the main water valve to the housing, unscrew the housing, and remove the old cartridge.
  • Insert new filter — Place the new GAC-BB cartridge into the housing, ensuring proper alignment with support basket.
  • Flush before use — Open water supply, allow water to run through the new cartridge for 5-10 minutes to flush out carbon fines.

Example scenarios

Typical situations where Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12 helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A Mumbai family uses a Big Blue housing for whole-house filtration, noticing chlorine taste and odor in tap water.

How this product helps

Installed Pentair Pentek GAC-BB, which reduces chlorine and improves water taste, lasting 3 months, saving frequent filter replacements.

Material, capacity & care

Material & capacity

Active IngredientGranular Activated Carbon
Temperature RatingUp to 125°F
Flow Rate2 gpm
Capacity12,500 gallons

Use & care

Replacement IntervalEvery 3 months or when taste/flow drops
Cost per use₹0.64 per gallon
Flush Before UseYes, flush cartridge for 5-10 minutes after installation
Suitable forHeavy-duty 10" Big Blue housings

How we compare

FeaturePentair Pentek GAC-BBOthers
Capacity12,500 gallons (approx 3 months of use)Typically 5,000-8,000 gallons, shorter lifespan
MaterialGranular Activated Carbon, NSF testedMixed media, variable quality
CompatibilityFits all 10" Big Blue housingsMost fit only specific models
Price per gallon₹0.64 per gallonVaries, often higher per gallon

Product details

SKUvem1046
GTIN00051678153437
BrandPentek
ModelGAC-BB
Size10" x 4.5"
MaterialGranular Activated Carbon
ColorBlue

About Pentek

Pentair is a global leader in water treatment, known for durable, high-performance filtration solutions trusted worldwide.

Compliance & Legal

This is a dietary supplement; not intended to diagnose, treat, cure or prevent any disease.

Customer Reviews

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FAQ, See What Others Asked

How often should I replace this water filter?
Replace every 3 months or after filtering approximately 12,500 gallons, whichever comes first. Water quality and usage may affect lifespan.
What contaminants does this filter reduce?
This filter reduces chlorine taste and odor, suspended particles, and VOCs, certified to NSF/ANSI 42 standards for general-purpose drinking water.
Is this filter compatible with my Big Blue housing?
Yes, it fits all 10" x 4.5" Big Blue housings, including Pentair Pentek models. Check your housing size before purchase.
Does this filter remove fluoride?
No, this granular activated carbon filter does not remove fluoride. For fluoride reduction, consider specialized media.
How do I install and flush the filter?
Turn off water, unscrew housing, remove old cartridge, insert new filter, and flush for 5-10 minutes before use.

Frequently bought together

Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity

This item:

Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity

₹8,020

Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity

This item

Pentair Pentek GAC-BB Big Blue Granular Activated Carbon Water Filter | 10" x 4.5" | 12,500-Gallon Capacity

₹8,020

Total price:

₹22,430

You save ₹7,900 (26%) Extra

3 items selected

3 items

₹22,430

You save ₹7,900 (26%) Extra

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Spec
Price
₹8,020
₹8,940
₹6,830
₹9,680
₹7,580
₹11,710
₹7,580
₹11,470
₹7,500
₹9,040
₹3,820
₹5,030
₹5,220
₹7,160
Brand NamePentekWaterdropWaterdropWaterdropWaterdropShowyLiveInkdotpot
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹8,020₹8,940

You Save ₹920

Estimated doorstep delivery by 22 Nov - 24 Nov from USA
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Your Order Journey: From Purchase to Doorstep

You Order
Place your order
USA Warehouse dispatch
Packed & shipped
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Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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vs
₹24,060+ (3× the price)
₹8,020 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
11-13 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
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