Best Big Blue Water Filter Replacement in 2025
Updated on July 2025
#1
Recommended
17% Off
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- Designed to effectively remove iron (up to 3.0 ppm) and manganese (up to 1.0 ppm) from water, enhancing safety and appliance longevity.
- Compatible with standard 20” x 4.5” whole house water filter housings, ensuring minimal impact on water flow (up to 15 GPM) and low maintenance requirements.
- First stage polypropylene sediment filter captures particles as small as 5 microns, while the second stage carbon block filter is crafted from premium coconut shell carbon for superior filtration.
- Capacity to filter 100,000 gallons of water, adequate for a family of four for a year, and certified to meet NSF/ANSI standards by an independent third party.
- Includes lifetime technical support from a US-based team upon registration, ensuring assistance for any product concerns.
- Replacement cartridges are individually wrapped for freshness; not suitable for high iron/manganese levels in well water—those conditions require specific models.
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- Designed to effectively remove iron (up to 3.0 ppm) and manganese (up to 1.0 ppm) from water, enhancing safety and appliance longevity.
- Compatible with standard 20” x 4.5” whole house water filter housings, ensuring minimal impact on water flow (up to 15 GPM) and low maintenance requirements.
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#2
Value for Money
8% Off
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- Improves taste by reducing dissolved iron levels up to 3 PPM, eliminating metallic flavor.
- Prevents rust stains on sinks, toilets, and plumbing fixtures, protecting appliances from damage.
- Designed for whole house filtering on the main water line, effective for well water sources.
- Compatible with all 20" Big Blue Housing and can replace any 4.5" x 20" iron-reducing filter.
- Recommended replacement every 3 months for optimal 3 PPM reduction for a family of four.
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- Improves taste by reducing dissolved iron levels up to 3 PPM, eliminating metallic flavor.
- Prevents rust stains on sinks, toilets, and plumbing fixtures, protecting appliances from damage.
- Designed for whole house filtering on the main water line, effective for well water sources.
- Compatible with all 20" Big Blue Housing and can replace any 4.5" x 20" iron-reducing filter.
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#3
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- 5 micron sediment filter captures 99% of impurities for clear water.
- High flow design minimizes pressure loss for consistent clean water supply.
- Durable 20-inch filter lasts 4-6 months, reducing replacements.
- Layered filtration structure addresses both large and fine particles.
- Resistant melt-blown polypropylene construction for appliance protection.
- Compatible with standard 20-inch housings for easy installation.
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- 5 micron sediment filter captures 99% of impurities for clear water.
- High flow design minimizes pressure loss for consistent clean water supply.
- Durable 20-inch filter lasts 4-6 months, reducing replacements.
- Layered filtration structure addresses both large and fine particles.
- Resistant melt-blown polypropylene construction for appliance protection.
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#4
21% Off
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- Removes dirt, sand, silt, and particulates to keep water clean and protect appliances.
- High-flow pre-filter with superior particulate reduction and three times the dirt holding capacity of similar filters.
- NSF International certified to NSF/ANSI Standard 42 for safety and quality assurance.
- Compatible with all 20-inch Big Blue filter housings and equivalent heavy-duty systems.
- Recommended replacement every six months or when water pressure or quality decreases.
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- Removes dirt, sand, silt, and particulates to keep water clean and protect appliances.
- High-flow pre-filter with superior particulate reduction and three times the dirt holding capacity of similar filters.
- NSF International certified to NSF/ANSI Standard 42 for safety and quality assurance.
- Compatible with all 20-inch Big Blue filter housings and equivalent heavy-duty systems.
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#5
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- Removes dirt, sand, silt, and particulates to maintain clean water and protect appliances.
- High-flow pre-filter with increased density for superior particulate reduction and enhanced dirt holding capacity.
- NSF International certified to NSF/ANSI Standard 42, ensuring safety and purity with 100% pure polypropylene material.
- Compatible with all 10-inch Big Blue filter housings and other heavy-duty filter systems, interchangeable with any 10 x 4.5 inch sediment filter.
- Recommended replacement every 6 months or when experiencing decreased water pressure or quality.
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- Removes dirt, sand, silt, and particulates to maintain clean water and protect appliances.
- High-flow pre-filter with increased density for superior particulate reduction and enhanced dirt holding capacity.
- NSF International certified to NSF/ANSI Standard 42, ensuring safety and purity with 100% pure polypropylene material.
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#6
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- Food grade material certified under European regulations and BPA-free standards, effectively reducing chlorine, sediment, rust, and other contaminants by up to 99%.
- Designed with multi-layer density technology, featuring three PP layers and a coconut shell activated carbon layer to effectively capture impurities and extend service life by 30%.
- High capacity filter capable of processing up to 30,000 gallons of water. Recommended replacement every 3 to 6 months for optimal performance.
- Compatible with various standard 10" x 4.5" filter models, ensuring easy integration into existing systems.
- Manufactured under strict ISO9001 and ISO14000 standards, ensuring rigorous quality control and durability through multiple testing processes.
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- Food grade material certified under European regulations and BPA-free standards, effectively reducing chlorine, sediment, rust, and other contaminants by up to 99%.
- Designed with multi-layer density technology, featuring three PP layers and a coconut shell activated carbon layer to effectively capture impurities and extend service life by 30%.
- High capacity filter capable of processing up to 30,000 gallons of water. Recommended replacement every 3 to 6 months for optimal performance.
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#7
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- Provides clean, great-tasting water while reducing waste by replacing up to 1,800 single-use plastic bottles annually.
- Effectively removes 99% of lead and filters multiple contaminants including chlorine, cadmium, mercury, benzene, and asbestos.
- Long-lasting filter replacement, lasting three times longer than Pur filters and six times longer than standard ZeroWater filters, with biannual replacements.
- Designed to fit all Brita pitchers and dispensers (excluding Stream); easy installation with a secure fit.
- Made of BPA-free materials, featuring a user-friendly pull-top cap for quick removal and installation without presoaking.
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- Provides clean, great-tasting water while reducing waste by replacing up to 1,800 single-use plastic bottles annually.
- Effectively removes 99% of lead and filters multiple contaminants including chlorine, cadmium, mercury, benzene, and asbestos.
- Long-lasting filter replacement, lasting three times longer than Pur filters and six times longer than standard ZeroWater filters, with biannual replacements.
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#8
8% Off
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- Reduces bad taste and odors for improved drinking water quality
- Compatible with all 10" Pentair Pentek Big Blue and similar heavy-duty filter housings
- Post-filter minimizes carbon fines and suspended particles in water
- NSF International certified for safety and quality assurance
- Filters up to 12,500 gallons; recommend replacement every three months or when water pressure/quality declines
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- Reduces bad taste and odors for improved drinking water quality
- Compatible with all 10" Pentair Pentek Big Blue and similar heavy-duty filter housings
- Post-filter minimizes carbon fines and suspended particles in water
- NSF International certified for safety and quality assurance
- Filters up to 12,500 gallons; recommend replacement every three months or when water pressure/quality declines
#9
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- Reduces a wide range of chemical and physical contaminants, including chlorine, mercury, copper, and zinc, providing improved taste and odor in drinking water.
- Certified to remove over 20 contaminants when used with compatible PUR systems.
- Lasts up to 40 gallons or 2 months of regular use, offering long-lasting filtration value.
- Features an easy, LockFit design for quick installation, ensuring no unfiltered water mixes with filtered water.
- Backed by over 35 years of experience in filtration technology, ensuring trust in the product.
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- Reduces a wide range of chemical and physical contaminants, including chlorine, mercury, copper, and zinc, providing improved taste and odor in drinking water.
- Certified to remove over 20 contaminants when used with compatible PUR systems.
- Lasts up to 40 gallons or 2 months of regular use, offering long-lasting filtration value.
- Features an easy, LockFit design for quick installation, ensuring no unfiltered water mixes with filtered water.
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#10
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- Effectively removes dirt, sand, silt, and particulates to keep water clean and protect appliances
- Compatible with all 10" Big Blue Housing and suitable as a replacement for any 10" x 4.5" sediment filter
- Pleated media design enhances dirt holding capacity, prolonging the intervals between changes or cleaning
- Constructed from durable, non-woven polyester fabric for versatile filtration applications
- Reusable design helps extend the lifespan of the cartridge
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- Effectively removes dirt, sand, silt, and particulates to keep water clean and protect appliances
- Compatible with all 10" Big Blue Housing and suitable as a replacement for any 10" x 4.5" sediment filter
- Pleated media design enhances dirt holding capacity, prolonging the intervals between changes or cleaning
- Constructed from durable, non-woven polyester fabric for versatile filtration applications
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