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20" x 4.5" Big Blue Filters
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Big Blue 20" x 4.5" replacement water filter cartridges are typically used for whole house water purification systems and commercial reverse osmosis systems.
Aries (AF-20-2015-BB) 20"x4.5" Big Blue 5 Lb. KDF-55/GAC Filter
Model: AF-20-2015-BB

Coconut Shell Granular Activated Carbon (GAC) mixed with 5 lbs. of KDF-55 for maximum chlorine and heavy metal removal. Features: ReducesĀ[...more details]
Aries (AF-20-2015-BB) 20"x4.5" Big Blue 5 Lb. KDF-55/GAC Filter

Our Price: $143.60

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Aries (AF-20-3318-BB) 20"x4.5" Big Blue Scale Inhibitor Phosphate Filter
Model: AF-20-3318-B

Phosphate is used as a scale inhibitor when there are signs of corrosion. Typically used as either a post filter to reverse osmosis and/or used in ag[...more details]
Aries (AF-20-3318-BB) 20"x4.5" Big Blue Scale Inhibitor Phosphate Filter

Our Price: $209.02

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Aries (AF-20-3350-BB) 20"x4.5" Big Blue Scale Inhibitor GAC/Phosphate Filter
Model: AF-20-3350-BB

The GAC carbon and Phosphate filter is perfect for Chlorine, bad taste and odor removal and scale inhibition. Typically used as either a post filter [...more details]
Aries (AF-20-3350-BB) 20"x4.5" Big Blue Scale Inhibitor GAC/Phosphate Filter

Our Price: $163.09

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Aries (AF-20-4010-BB) 20"x4.5" Big Blue Mixed Bed DI Lowers TDS Filter
Model: AF-20-4010-BB

Mixed Bed Deionizing filters are high-capacity, semiconductor grade resin cartridges used typically used in medical laboratories, cosmetics, and circu[...more details]
Aries (AF-20-4010-BB) 20"x4.5" Big Blue Mixed Bed DI Lowers TDS Filter

Our Price: $98.58

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Filbur (20-41201) 20"X4.5" Big Blue Pleated 1 Micron Sediment Filter
Model: IF-PE-2001B

Product Description Filbur Manufacturing , 1 Water Purification Filter. Filbur Manufacturing water purification cartridges are made for the most dem[...more details]
Filbur (20-41201) 20"X4.5" Big Blue Pleated 1 Micron Sediment Filter

Our Price: $38.40

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Filbur (20-41211) 20"X4.5" Big Blue Pleated Absolute 1 Micron Sediment Filter
Model: IF-PE-2001.BA

Product Description Filbur Manufacturing , 1 Absolute Water Purification Filter. Filbur Manufacturing water purification cartridges are made for the[...more details]
Filbur (20-41211) 20"X4.5" Big Blue Pleated Absolute 1 Micron Sediment Filter

Our Price: $49.99
List Price: $62.90
You Save: 20.52%

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Filbur (20-41220) 20"X4.5" Big Blue Pleated 20 Micron Sediment Filter
Model: IF-PE-2020B

Product Description Filbur Manufacturing , 1 Water Purification Filter. Filbur Manufacturing water purification cartridges are made for the most dem[...more details]
Filbur (20-41220) 20"X4.5" Big Blue Pleated 20 Micron Sediment Filter

Our Price: $26.70

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Filbur (20-41250) 20"X4.5" Big Blue Pleated 50 Micron Sediment Filter
Model: IF-PE-2050B

Product Description Filbur Manufacturing , 1 Water Purification Filter. Filbur Manufacturing water purification cartridges are made for the most dem[...more details]
Filbur (20-41250) 20"X4.5" Big Blue Pleated 50 Micron Sediment Filter

Our Price: $21.44

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FilterCor (FCP10S20P) 20"x4.5" String Wound PolyPropylene 10 Micron Sediment Filter
Model: FCP10S20P

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP10S20P) 20"x4.5" String Wound PolyPropylene 10 Micron Sediment Filter

Our Price: $29.63

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FilterCor (FCP1S20P) 20"x4.5" String Wound PolyPropylene 1 Micron Sediment Filter
Model: FI-SED2001B

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP1S20P) 20"x4.5" String Wound PolyPropylene 1 Micron Sediment Filter

Our Price: $33.54

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FilterCor (FCP20S20P) 20"x4.5" String Wound PolyPropylene 20 Micron Sediment Filter
Model: FCP20S20P

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP20S20P) 20"x4.5" String Wound PolyPropylene 20 Micron Sediment Filter

Our Price: $31.05

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FilterCor (FCP25S20P) 20"x4.5" String Wound PolyPropylene 25 Micron Sediment Filter
Model: FCP25S20P

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP25S20P) 20"x4.5" String Wound PolyPropylene 25 Micron Sediment Filter

Our Price: $31.05

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FilterCor (FCP30S20P) 20"x4.5" String Wound PolyPropylene 30 Micron Sediment Filter
Model: FCP30S20P

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP30S20P) 20"x4.5" String Wound PolyPropylene 30 Micron Sediment Filter

Our Price: $31.14

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FilterCor (FCP3S20P) 20"x4.5" String Wound PolyPropylene 3 Micron Sediment Filter
Model: SKU163581

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP3S20P) 20"x4.5" String Wound PolyPropylene 3 Micron Sediment Filter

Our Price: $31.77

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FilterCor (FCP50S20P) 20"x4.5" String Wound PolyPropylene 50 Micron Sediment Filter
Model: SKU163587

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP50S20P) 20"x4.5" String Wound PolyPropylene 50 Micron Sediment Filter

Our Price: $30.58

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FilterCor (FCP5S20P) 20"x4.5" String Wound PolyPropylene 5 Micron Sediment Filter
Model: FI-SED2005B

FilterCor's wound cartridge filters provide true depth filtration, high dirt holding capacity, and extremely low media migration. They are a s[...more details]
FilterCor (FCP5S20P) 20"x4.5" String Wound PolyPropylene 5 Micron Sediment Filter

Our Price: $29.77

Buy Now
Harmsco (HB-20-0.35W) 20"x4.5" Pleated 0.35 Micron Sediment Filter
Model: FI-SED20035B

Premium quality cartridges made of pleated polyester filter media for a long life and high dirt holding capacity Cartridges can be cleaned and re-u[...more details]
Harmsco (HB-20-0.35W) 20"x4.5" Pleated 0.35 Micron Sediment Filter

Our Price: $47.82
List Price: $61.33
You Save: 22.03%

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Harmsco (HB-20-10W) 20"x4.5" Pleated 10 Micron Sediment Filter
Model: FI-SED2010BP

Premium quality cartridges made of pleated polyester filter media for long life and high dirt holding capacity Cartridges can be cleaned and reused[...more details]
Harmsco (HB-20-10W) 20"x4.5" Pleated 10 Micron Sediment Filter

Our Price: $54.31

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Harmsco (HB-20-1W) 20"x4.5" Pleated 1 Micron Sediment Filter
Model: FI-SED2001BP

Premium quality cartridges made of pleated polyester filter media for a long life and high dirt holding capacity Cartridges can be cleaned and re-u[...more details]
Harmsco (HB-20-1W) 20"x4.5" Pleated 1 Micron Sediment Filter

Our Price: $63.41

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Harmsco (HB-20-20W) 20"x4.5" Pleated 20 Micron Sediment Filter
Model: FI-SED2020BP

Premium quality cartridges made of pleated polyester filter media for long life and high dirt holding capacity Cartridges can be cleaned and reused[...more details]
Harmsco (HB-20-20W) 20"x4.5" Pleated 20 Micron Sediment Filter

Our Price: $54.31

Buy Now
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Valuetrex (1227870-V-BB) 20"x4.5" Big Blue VX10-20"BB 10 Micron Sediment Filter
Valuetrex (1227870-V-BB) 20"x4.5" Big Blue VX10-20"BB 10 Micron Sediment Filter
List Price:     $18.60
Sale Price: $16.42
Reviews
Pura UV (15730131) UV20-3 CB20XSD 10 Micron Carbon Block/5 Micron Sediment 8 GPM 110 V
The service was good and I feel that the prices were fair. I ..
5 of 5 Stars!
Bestsellers
01.Intelifil (IF-SP-2005BB) 20"x4.5" Spun Polypropylene 5 Micron Filter
02.PureT (BVB2000005) 20"x4.5" Spun Polypropylene Sediment 5 Micron Filter
03.Intelifil (IF-CB-020BB) 20"x4.5" 20,000 Gal. Coconut Carbon Block 10 Micron Filter
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