20 x 4.5 Whole House Big Blue Carbon Water Filters
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The only way to ensure that all of the water in your home, including the water you use to drink, bathe in, wash dishes and clothing in and cook with, is purified and free of harmful contaminates, is to invest in a whole house water filtration system.

There are many benefits of using a whole house water filtration system. At the top of the list, is ensuring pure, healthy, better tasting drinking water for the whole family by filtering out chlorine and other harmful chemicals. This also leads to better overall household cleaning since removing the chemicals reduces soap scum buildup and allows more thorough rinsing of soaps, laundry detergents, cleansers and shampoo.

In order to maintain an efficient and effective system, is very important that you replace the filters in your whole house water filtration system regularly, based on the manufacturers specifications, water quality and usage.

20 Inch Big Blue Carbon Filters Product List:


Pentek RFC20-BB Radial Flow GAC Water Filter Cartridge
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Retail: $121.19

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Pentek NCP-20BB, 155382-43 Pleated Carbon Impregnated Non-Cellulose Water Filter Cartridge
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Retail: $72.05

Our Price: $49.97

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Filters Fast® FF20GAC-20 Replacement for Pentek GAC20-BB
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Retail: $63.99

Our Price: $31.95

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Pentair FloPlus-20BB Filter - 20" Big Blue Carbon
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Retail: $128.41

Our Price: $97.50

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Filters Fast® FF20CB-10 Replacement for Pentek EPM-20BB
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Retail: $52.99

As Low As: $31.95

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Hydronix SDP-4520 Replacement for Pentek RFC20-BB
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Retail: $69.99

Our Price: $55.95

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Hydronix 20" x 4.5" Carbon Filter - 1 Micron
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Retail: $83.99

Our Price: $59.95

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Pentek EPM-20BB Carbon Briquette Filter, 155783
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Retail: $96.11

Our Price: $69.29

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Watts WCBCFF20 5 Micron 20" Coconut Carbon Water Filter

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Retail: $89.99

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Pentek CFB-Plus20BB 20" Big Blue 5 Micron Filter

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Retail: $96.06

As Low As: $67.95

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KX Matrikx 32-450-20-GREEN Replacement for KX Matrikx 32-425-125-20
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Retail: $59.99

As Low As: $36.95

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Pentek GAC20-BB 20" Big Blue GAC Filter, 155249
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Retail: $96.06

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Filters Fast® FF20CB-5 Replacement for Hydronix CB-45-2005
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Retail: $59.99

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Pentek CBC-20BB Carbon Block Filter, 155312
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within the continental U.S.

Out of stock

Retail: $218.36

As Low As: $110.70

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Pentek ChlorPlus-20BB - 20" Chloramine Big Blue Filter 355753-43
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within the continental U.S.

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Retail: $180.54

Our Price: $137.68

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Filters Fast® FF20BBS-25 Replacement for Aqua-Flo RF-20BV
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Retail: $79.99

Our Price: $45.95

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Watts 10 Micron 20" x 4.5" KDF GAC Filter
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within the continental U.S.

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Retail: $199.99

Our Price: $158.95

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Filters Fast® FF20CB-5 Replacement for Liquatec CB-450-20-05
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Retail: $59.99

As Low As: $29.95

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Pentek EP-20BB Carbon Briquette Filter 155583
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within the continental U.S.

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Retail: $136.51

Our Price: $103.80

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Filters Fast® FF20CB-10 Replacement For Hydronix CB-45-20
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Retail: $52.99

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Watts C-MAX Carbon Block 20" Large Filter
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within the continental U.S.

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Retail: $149.99

As Low As: $113.95

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Filters Fast® FF20GAC-20 Replacement For Hydronix UDF-20BP
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Retail: $63.99

Our Price: $31.95

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Filtrex FXB20CL2 Water Filter 20" x 4.5" Filter
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Retail: $69.99

Our Price: $59.99

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3M Aqua-Pure AP817-2 Replacement for 3M Aqua-Pure AP815-2
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within the continental U.S.

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Retail: $139.99

As Low As: $109.95

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3M Aqua-Pure AP917HD Water Filter for AP917R 5621003
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within the continental U.S.

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Retail: $299.99

As Low As: $226.95

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