If you have a home water filter system that requires a 2.5″ diameter 20″ Big Blue Carbon Filter, then the following list will definitely come in handy. Below you will find replacement Liquatec, Pentek and KX Matrikx 20″ x 2.5″ replacement carbon filters for big blue filter housings.

KX Matrikx +Pb1 06-250-125-20 Filter
KX Matrikx 06-250-125-20

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $30.00
Regular Price: $35.00

“The KX Matrikx +Pb1 06-250-125-20 Filter is a KX Matrikx “Premier Performer,” reducing lead, cysts, chlorine, taste odors, and sediment from your water. All KX +Pb1 filters are made of extruded activated carbon that reduces soluble lead using an ion-exchange filter medium with high specificity for soluble lead. Particulate filtration is used to intercept insoluble lead-containing particles. Therefore making these filters very powerful in many residential and commercial applications. The KX Matrikx 06-250-125-20 also meets NSF/ANSI Standard 53, Turbidity and Cyst Reduction, including Cryptosporidium, Giardia, Entamoeba and Toxoplasma although it has been tested and verified by an independent laboratory. The +Pb1 Specifications: Dimensions: 20″ x 2.5″ .5 Micron Nominal Filtration 1 Micron Absolute Filtration No Release of Carbon Fines NSF 42 Test Certified for Material Requirements High Absorbtion and Capacity Flow Rate: up to 1.5 GPM Capacity for Chlorine Reduction: 12,000 @ 1.5 GPM Capacity for Lead Reduction: 5,000 @ 1.5 GPM Max Temp: 125 FThe +Pb1 0625012520 Reduces: Lead Cysts (Gairdia, Cryptosporidium, Entamoeba, and Toxoplasma) Chlorine Taste Odor Bad Taste Odor Particulates This filter should be changed every 6 months to 1 year depending on water quality and usage. This filter will fit into Pentek, Ametek, US Filter, Kleen Plus, American Plumber and other brand housings that require a 20″x 2.5″ Filter Cartridges. This includes but is not limited to the Culligan 20-ST Housing, and the Pentek 150544 and 150576 Housings. +Pb1 Series Manual ”

KX Matrikx +CR1 19-250-125-20 Carbon Filter
KX Matrikx 19-250-125-20

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $27.00
Regular Price: $30.00

“The KX Matrikx +CR1 19-250-125-20 Carbon Filter is manufactured using a patented, solid-state extrusion process, which in turn allows this filter to reduce cysts and large volumes and concentrations of chlorine taste and odor from your water. This makes the +CR1 filter ideal for use in food service applications. The KX MATRIKX + CR1 meets NSF/ANSI Standard 53, Turbidity and Cyst Reduction, including Cryptosporidium, Giardia, Entamoeba and Toxoplasma although it was performance tested certified by independent laboratory testing. The +CR1 19-250-125-20 Specifications: Dimensions: 20″ x 2.5″ .5 Micron Nominal Filtration 1 Micron Absolute Filtration No Release of Carbon Fines NSF 42 Test Certified for Material Requirements High Absorbtion and Capacity Flow Rate: up to 5 GPM Capacity: 20,000 Gallons Max Temp: 125 F Max Pressure: 250 psiThe +CR1 Reduces: Cysts (Gairdia, Cryptosporidium, Entamoeba, and Toxoplasma) Chlorine Taste Odor Bad Taste Odor Turbidity Particulates This filter should be changed every 6 months to 1 year depending on water quality and usage. This filter will fit into Pentek, Ametek, US Filter, Kleen Plus, American Plumber and other brand housings that require a 20″x 2.5″ Filter Cartridges. This includes but is not limited to the Culligan 20-ST Housing, and the Pentek 150544 and 150576 Housings. View Product Manual For +CR1 Series ”

Pentek / Ametek EP-20 20″ Carbon Block Filter
Pentek EP-20

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $18.00
Regular Price: $18.90

“The Pentek / Ametek EP-20 Carbon Block Filter is designed to reduce and remove Chlorine taste Odor as well as dirt, sand, and sediment from your household water.As part of the “EP Series” the EP-20 uses “Endurawrap”, a unique polyolefin bilaminate pre-filter that actually increases the filters life by trapping sediment more effectively, maximizing the filters absorbtion capability. Pentek part number 155529.The EP-20 Specifications: Dimensions 20″ x 2 7/8″ diameter Micron Rating 5 Flow Rate: 2 GPM @ 3 psi Temp Range: 40 – 180 F Capacity: 12,000 Gallons Reduces: Chlorine Taste Odor, Sand, Rust, Dirt, and SedimentThe EP20 fits most undersink housings that require 20″ filters including, but not limited to, Pentek, American Plumber, Culligan, Omnifilter, Ametek, US Filter, and Cuno. Filter Life depends on water quality and usage. The EP-20 Product Manual”

Pentek GAC-20 20″ Granular Activated Carbon Filter
Pentek GAC-20

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $17.70
Regular Price: $21.30

“The Pentek GAC-20 Granular Activated Carbon Filter Cartridge effectively reduces chlorine taste and odor and bad taste and odor from your drinking water. The GAC-20 features a 20 micron post filter that captures suspended carbon fines before they exit the filter. Part Number 155111-43.The Pentek GAC-20 Specifications:20 Micron Rating Reduces chlorine taste and odor Reducesbad taste and odor Dimensions: 20″ x2 7/8″ Capacity: 10,0000 Gallons Flow Rate: 2 GPM @ 16 psi Temp Rating: 40 – 125 F NSF Certified for Material RequirementsThe GAC20 fits most whole house and reverse osmosis systems that require a 20″ filter including systems by Cuno, Aqua Pure, Omni, American Plumber, GE, Flotec, Honeywell, and Sears. View Full Product Sheet ”

Liquatec CB-250-20-05 Carbon Filter
Liquatech CB-250-20-05

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $16.75
Regular Price: $19.42

“The Liquatec CB-250-20-05 carbon Filter can be used to reduce chlorine, taste odor, sediment, and certain VOC’s from your water. Great cost-to-performance value! This filter is NSF/ANSI tested for material requirements only. The CB-250-20-05 Specifications Based on Independent Laboratory Testing: 5 Micron Nominal Filtration Dimensions: 2 1/2″ x 20″ Inner Diameter: 1.25″ Flow Rate: 2 psi drop @ 2 GPM Reduces: Chlorine, Taste Odor, Sediment, and Certain VOC’s Capacity for Chlorine Reduction: 9,000 @ 2 GPM Solid block design eliminates channeling, by-pass or release of carbon fines FDA Listed MaterialsThe CB-250-20-05 will fit Pentek, Ametek, US Filter, American Plumber, Culligan and other brands of filter housings that require a standard size 20″ Cartridge (not Big Blue). This filter should be changed every 3-6 months depending on water quality and usage. Product Manual”

Liquatec CB-250-20-10 Carbon Filter
Liquatec CB-250-20-10

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $16.00
Regular Price: $16.79

“The Liquatec CB-250-20-10 Carbon Filter can be used to reduce chlorine, taste odor, sediment, and certain VOC’s from your water. Great cost-to-performance value! This filter is NSF/ANSI tested for material requirements only. The CB-250-20-10 Specifications Based on Independent Laboratory Testing: 10 Micron Nominal Filtration Dimensions: 2 1/2″ x 20″ Inner Diameter: 1.25″ Flow Rate: 2 psi drop @ 2 GPM Reduces: Chlorine, Taste Odor, Sediment, and Certain VOC’s Capacity for Chlorine Reduction: 9,000 @ 2 GPM Solid block design eliminates channeling, by-pass or release of carbon fines FDA Listed MaterialsThe CB-250-20-10 will fit Pentek, Ametek, US Filter, American Plumber, Culligan and other brands of filter housings that require a standard size 20″ Cartridge (not Big Blue). This filter should be changed every 3-6 months depending on water quality and usage. Product Specifications”

KX Matrikx +10 /2 10-250-190-20 Filter
KX Matrikx 10-250-190-20

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $19.00
Regular Price: $25.00

“The KX Matrikx +10 /2 10-250-190-20 Filter is a high performance filter used to reduce chlorine taste odor from your drinking water. Can be used as an economical replacement for lesser performing GAC or PAC water filter cartridges. 20″ Filter Cartridge. Filter features 2 blue end caps. The KX Matrikx +10 /2 10-250-190-20 NSF/ANSI Tested and Certified for Material Requirements only. This filter was performance tested verified by Independent Laboratory Testing. The KX +10 10-250-190-20 Specifications: 3 Nominal Filtration Greater than 99.5% reduction of 10 Micron Particles Flow Rate: 2 psi drop @ 2 GPM Dimensions: 20″ x 2.5″ Max Operating Pressure: 250 psi Max Temp: 125 FMedia: Extruded Carbon to prevent channeling, fluidizing, release of carbon finesThe KX Matrix 1025019020 will fit the Culligan, American Plumber, Aqua Pure, Pentek, Ametek, US Filter, and other brands of housings that require a standard 20″ Filter Cartridge such as the Pentek housings 150544, 150568, and 150576. This filter should be changed every 3 to 6 months depending on water quality and usage. Product Manual ”

Pentek EPM-20 Carbon Briquette Filter Cartridge
Pentek EPM-20

20-inch x 2.5-inch Big Blue Carbon Water Filters

Your Cost: $13.00
Regular Price: $13.55

“The Pentek, Ametek EPM-20BB Carbon Briquette Filter Cartridge is designed to reduce and remove Chlorine taste Odor as well as dirt, sand, and sediment from your household water. Part Number 155635-43.As part of the “EP Series” the EPM-20 uses “Endurawrap”, a unique polyolefin bilaminate pre-filter that actually increases the filters life by trapping sediment more effectively. The EPM-20 Specifications: Cartridge Dimensions: 20″ x 2 7/8″ diameter Micron Rating 10 Max tempature: 180 F Capacity For Chlorine Reduction: &gt6,000 gallons @ 2 GPM Tempature Range: 40 F – 180 F Flow Rate: 1 psi drop @ 2 GPMThe EPM20 Filter Cartridge Manual “