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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. OMNIFilter PB55-20 Big…
OMNIFilter

OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction

OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹30,430₹43,780

You save ₹13,350 (30%)

30% off the seller list price

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OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction — PB55-20
PB55-20
₹30,430
₹43,780
In Stock

Estimated doorstep delivery by 11 Nov - 13 Nov from USA

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High Capacity, Certified Filtration at Competitive Price

About this item

OMNIFilter PB55-20 is a dense 0.5 micron carbon block filter designed for serious whole house water filtration. Installed at your main water line, it reduces lead, cysts such as Cryptosporidium and Giardia, and chlorine taste and odor, ensuring cleaner, better tasting water at every tap.

This 20" x 4.5" heavy-duty cartridge supports a flow rate of 10 GPM and a capacity of 40,000 gallons, making it suitable for large households. Its NSF/ANSI 53 certification confirms its effectiveness in reducing lead and cysts through mechanical filtration, with a low pressure drop supporting strong water pressure. The carbon block design delivers high filtration performance without sacrificing flow, making it compatible with Pentair BF55 systems and most major brands' heavy-duty housings.

Imported directly from the USA, this cartridge offers reliable, long-lasting filtration. Replace every 4-5 months or sooner if water pressure drops or water quality changes. Supports Indian homes seeking safe, clean water with fast delivery in 11-13 days.

Key Features

  • CLEANER, SAFER, BETTER TASTING WATER - This premium carbon block cartridge reduces lead and cysts along with chlorine taste and odor, for cleaner, better tasting water at every tap in your home
  • PAIRS BEST WITH Pentair OMNIFilter PB55 heavy duty filtration system - Also fits 20 inch by 4.5 inch heavy duty big blue housings from other major brands; replaces any 20 inch carbon block cartridge
  • PREMIUM 0.5 MICRON CARBON BLOCK - A dense 0.5 micron carbon block reduces lead and Cryptosporidium and Giardia cysts by mechanical means while supporting a high flow rate and low pressure drop
  • NSF CERTIFIED LEAD AND CYST REDUCTION - Third party NSF and ANSI Standard 53 certified to reduce lead and cysts at 10 gpm when used in the Pentair OMNIFilter BF55 housing or PB55 filtration system
  • 40,000 GALLON CAPACITY - Long lasting whole house carbon block rated for 40,000 gallons; replace every 4 to 5 months or sooner when you notice a drop in water pressure or water quality

Why choose this product

Premium Carbon Block Filtration

This dense 0.5 micron carbon block uses mechanical filtration to effectively reduce lead, cysts, and chlorine taste, supporting safe, clean water for Indian homes. NSF/ANSI 53 certification confirms its trusted performance, imported from USA for durability and reliability.

Ideal for Large Households & Heavy Use

Supports high flow rates of 10 GPM with low pressure drop, suitable for whole house filtration. Replace every 4-5 months, ensuring continuous clean water. Skip if your water source has high sediment or requires additional filtration stages.

How to use

  • Turn Off Water Supply — Shut the main water valve before replacing the cartridge to prevent leaks and ensure safety.
  • Remove Old Cartridge — Unscrew the housing, carefully remove the used filter, and clean the housing if needed.
  • Insert New Cartridge — Place the new PB55-20 filter into the housing, screw it back tightly, and turn on water supply.
  • Flush & Check — Run water for 5-10 minutes to flush out any carbon dust, then check for leaks and water pressure.

Example scenarios

Typical situations where OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40 helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Large joint family in Mumbai needing reliable filtration for 10+ taps

How this product helps

Supports 40,000 gallons, lasts 4-5 months, imported from USA, ensuring safe, clean water for all.

Material, capacity & care

Material & capacity

Active MediaCarbon block
Filtration Micron0.5 micron

Use & care

InstallationFits 20" x 4.5" heavy-duty housings
Flow Rate10 GPM
Capacity40,000 gallons
Replace Every4-5 months or sooner
Cost per use₹30,430 per filter

How we compare

FeatureOMNIFilter PB55-20 BigOthers
Capacity40,000 gallons rated, imported from USA, supports large householdsTypically 10,000-20,000 gallons, lower durability, Indian brands
CertificationNSF/ANSI 53 certified for lead and cyst reductionCertifications vary, often not third-party verified
Flow RateSupports 10 GPM flow with low pressure dropUsually supports 5-8 GPM, may reduce pressure
Price per Gallon₹30,430 per filterVaries, often ₹300-₹500 per 1000 gallons

Product details

SKUudy0065
GTIN0047087302061
BrandOMNIFilter
Size20" x 4.5"
MaterialCarbon block
Capacity40,000 gallons
Weight1.565 kg (3.45 lbs)

About OMNIFilter

OMNIFilter is a trusted global brand specializing in high-quality water filtration solutions, known for durability and NSF certification.

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 carbon filter?
Replace every 4-5 months or sooner if water pressure drops or water quality changes. This ensures optimal filtration and water taste.
What contaminants does this filter reduce?
This filter reduces lead, cysts such as Cryptosporidium and Giardia, and chlorine taste and odor, certified to NSF/ANSI 53 standards.
Is this filter compatible with my heavy-duty housing?
Yes, it fits 20" x 4.5" heavy-duty housings from major brands and replaces most carbon block cartridges of same size.
Does this filter remove fluoride?
No, this carbon block filter does not specifically remove fluoride. For fluoride reduction, consider specialized filters with activated alumina media.
How do I install the replacement cartridge?
Turn off water supply, unscrew the housing, remove old cartridge, insert new one, and flush for 5-10 minutes as per instructions.

Frequently bought together

OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction

This item:

OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction

₹30,430

OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction

This item

OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter | 40,000 Gallon Capacity, NSF Certified, Lead & Cyst Reduction

₹30,430

Total price:

₹44,840

You save ₹20,320 (31%) Extra

3 items selected

3 items

₹44,840

You save ₹20,320 (31%) Extra

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Spec
Price
₹30,430
₹43,780
₹6,830
₹9,670
₹7,580
₹11,710
₹7,580
₹11,470
₹7,580
₹9,140
₹1,530
₹2,390
₹4,060
₹6,110
Brand NameOMNIFilterWaterdropWaterdropWaterdropWaterdropMECCANIXITYSMALLRIG
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹30,430₹43,780

You Save ₹13,350

Estimated doorstep delivery by 11 Nov - 13 Nov from USA
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Your Order Journey: From Purchase to Doorstep

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

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₹91,290+ (3× the price)
₹30,430 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
Full protection included