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When purchasing a product, price is the consumer's primary concern. At present, Pentek has 132 products for sale. Pentek products range in price from $9.27 to $320.48, and the average price of all the products is about $57.

We found that most of the Pentek products are manufactured by Pentair Industries and Pentair. The manufacturers provide Pentek with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Pentek products on Amazon.com. The brand holds an average rating of 4.6, testifying to its excellent reputation.

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Pentek Best Sellers

Last Updated: Jan 8, 2026

Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron

Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron Cover
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  • CLEANER, BETTER-TASTING WATER: Effectively reduces chlorine taste and odor, sediment, and other contaminants for improved water quality throughout your entire home
  • HIGH-PERFORMANCE DESIGN: Unique radial flow technology ensures low pressure drop and minimal carbon fines, providing efficient filtration without sacrificing water pressure
  • LONG-LASTING FILTRATION: 100,000 gallon capacity offers up to one year of whole house water filtration before replacement is needed
  • VERSATILE COMPATIBILITY: Fits standard 20" Big Blue filter housings and replaces most 20" x 4.5" carbon cartridges for easy installation and maintenance

Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5", Pack of 2

Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5", Pack of 2 Cover
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  • EFFECTIVE REDUCTION OF BAD TASTE & ODORS to provide good general-purpose drinking water
  • FITS ALL 10" Pentair Pentek Big Blue or other 10" heavy duty housings and can replace any 10" x 4.5" carbon filter cartridge
  • POST-FILTER HELPS REDUCE CARBON FINES and other suspended particles from the filtered water
  • NSF INTERNATIONAL tested and certified for your peace of mind
  • 12,500 GALLON CAPACITY. Replace every three months or when you notice a drop in water pressure or water quality

Pentair Pentek DGD-5005-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 5 Micron, Pack of 1, White

Pentair Pentek DGD-5005-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 5 Micron, Pack of 1, White Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates. DGD Big Blue water filter cartridges are designed for purity and will NOT impart taste, odor or color to your water
  • IDEAL HIGH-FLOW PRE-FILTER. Filter density increases toward the cartridge's center resulting in superior particulate reduction and 3X the dirt holding capacity of similar size sediment cartridges
  • TESTED AND CERTIFIED BY NSF INTERNATIONAL to NSF/ANSI Standard 42 for your peace of mind. Manufactured with 100% pure polypropylene
  • SIZED FOR USE IN ALL 20 inch Big Blue filter housings (or other heavy duty filter housings) and can replace any 20 inch x 4.5 inch sediment filter cartridge

Pentair Pentek DGD-2501-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 1 Micron, Pack of 1, White

Industrial Process Filter Cartridges
Pentair Pentek DGD-2501-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 1 Micron, Pack of 1, White Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates. DGD Big Blue water filter cartridges are designed for purity and will NOT impart taste, odor or color to your water
  • IDEAL HIGH-FLOW PRE-FILTER. Filter density increases toward the cartridge's center resulting in superior particulate reduction and 3X the dirt holding capacity of similar size sediment cartridges
  • TESTED AND CERTIFIED BY NSF INTERNATIONAL to NSF/ANSI Standard 42 for your peace of mind. Manufactured with 100% pure polypropylene
  • SIZED FOR USE IN ALL 20 inch Big Blue filter housings (or other heavy duty filter housings) and can replace any 20 inch x 4.5 inch sediment filter cartridge

Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 2

Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 2 Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates. DGD Big Blue water filter cartridges are designed for purity and will NOT impart taste, odor or color to your water
  • IDEAL HIGH-FLOW PRE-FILTER. Filter density increases toward the cartridge's center resulting in superior particulate reduction and 3X the dirt holding capacity of similar size sediment cartridges
  • TESTED AND CERTIFIED BY NSF INTERNATIONAL to NSF/ANSI Standard 42 for your peace of mind. Manufactured with 100% pure polypropylene
  • SIZED FOR USE IN ALL 10 inch Big Blue filter housings (or other heavy duty filter housings) and can replace any 10 inch x 4.5 inch sediment filter cartridge

Pentair Pentek R50-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Pleated Polyester Filter Cartridge, 10" x 4.5", 50 Micron

Pentair Pentek R50-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Pleated Polyester Filter Cartridge, 10" x 4.5", 50 Micron Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates
  • FITS ALL 10" Big Blue Housing and can replace any 10" x 4.5" sediment filter
  • PLEATED MEDIA maximizes dirt holding capacity and extends the time period between changes or cleaning
  • DURABLE, NON-WOVEN AND REUSABLE POLYESTER FABRIC that is suitable for a wide range of filtration uses
  • REUSABLE TO EXTEND CARTRIDGE LIFE

Pentair Pentek 150233 Big Blue Filter Housing, 1" NPT #20 Whole House Heavy Duty Water Filter Housing with High-Flow Polypropylene (HFPP) Cap and Pressure Relief Button, 20-Inch, Black/Blue

Industrial Process Filter Housings
Pentair Pentek 150233 Big Blue Filter Housing, 1" NPT #20 Whole House Heavy Duty Water Filter Housing with High-Flow Polypropylene (HFPP) Cap and Pressure Relief Button, 20-Inch, Black/Blue Cover
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  • FITS ALL Pentair Pentek 20" Big Blue cartridges and any 20" x 4.5" heavy duty filter cartridge
  • EXTRA LARGE HOUSING allows for greater cartridge capacity, reducing the number of vessels required for high flow-rate applications
  • DOES NOT INCLUDE MOUNTING HARDWARE or wrench. Specs are 1" NPT inlet and outlet port on high-flow polypropylene (HFPP) cap

Pentair Pentek NCP-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Non-Cellulose Carbon Impregnated Pleated Filter Cartridge, 10" x 4.5", 10 Micron

Pentair Pentek NCP-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Non-Cellulose Carbon Impregnated Pleated Filter Cartridge, 10" x 4.5", 10 Micron Cover
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  • PROVIDES SUPERIOR sediment filtration and chlorine taste and odor reduction
  • FITS ALL 10" Big Blue Housings or other 10" heavy duty housings and can replace any 10" x 4.5" carbon filter
  • SUITABLE FOR MUNICIPAL AND NON CHLORINATED WATER APPLICATIONS unlike cellulose cartridges
  • HIGH DIRT LOADING CAPACITY WITH MINIMAL PRESSURE DROP due to the pleated design
  • COMBINATION OF PLEATED POLYESTER MEDIA AND CARBON FILTRATION produces extended service life

Pentair Pentek 150237 Big Blue Filter Housing, 1" NPT #10 Whole House Heavy Duty Water Filter Housing with High-Flow Polypropylene (HFPP) Cap and Pressure Relief Button, 10-Inch, Black/Blue

Industrial Process Filter Housings
Pentair Pentek 150237 Big Blue Filter Housing, 1" NPT #10 Whole House Heavy Duty Water Filter Housing with High-Flow Polypropylene (HFPP) Cap and Pressure Relief Button, 10-Inch, Black/Blue Cover
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  • OFFERS THE VERSATILITY TO MEET ALL OF YOUR LARGE-CAPACITY FILTRATION NEEDS, including high-flow and heavy-sediment applications
  • FITS ALL Pentair Pentek 10" Big Blue cartridges and any 10" x 4.5" heavy duty filter cartridge
  • EXTRA LARGE HOUSING allows for greater cartridge capacity, reducing the number of vessels required for high flow-rate applications
  • PRESSURE RELIEF BUTTON ON CAP for easy cartridge changes
  • 1" NPT INLET AND OUTLET PORT on high-flow polypropylene (HFPP) cap

Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5"

Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5" Cover
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  • EFFECTIVE REDUCTION OF BAD TASTE & ODORS to provide good general-purpose drinking water
  • FITS ALL 10" Pentair Pentek Big Blue or other 10" heavy duty housings and can replace any 10" x 4.5" carbon filter cartridge
  • POST-FILTER HELPS REDUCE CARBON FINES and other suspended particles from the filtered water
  • NSF INTERNATIONAL tested and certified for your peace of mind
  • 12,500 GALLON CAPACITY. Replace every three months or when you notice a drop in water pressure or water quality

Pentair Pentek EP-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 5

Pentair Pentek EP-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 5 Cover
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  • GREATER CHLORINE TASTE and ODOR REDUCTION than competitive 10 carbon blocks
  • FITS ALL 20" Big Blue or other heavy duty housings and can replace any 20" x 4.5" carbon filter cartridge
  • HIGH POROSITY DESIGN helps the cartridge from plugging before its adsorption capacity is exhausted
  • NSF INTERNATIONAL tested and certified for your peace of mind
  • 44,000 GALLON CAPACITY. Replace every year or when you notice a drop in water pressure or water quality

Pentair Pentek WP5BB97P Big Blue Sediment Water Filter, 10-Inch, Whole House Polypropylene String-Wound Filter Cartridge, 10" x 4.5", 5 Micron

Pentair Pentek WP5BB97P Big Blue Sediment Water Filter, 10-Inch, Whole House Polypropylene String-Wound Filter Cartridge, 10" x 4.5", 5 Micron Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates
  • FITS ALL 10" Big Blue Housing and can replace any 10" x 4.5" sediment filter
  • ECONOMICAL SOLUTION to reduce fine sediment, including rust, sand and scale particulates
  • HIGH DIRT-CATCHING CAPACITY AND FLOW RATES due to its string-wound construction
  • SUITABLE FOR USE IN VARIOUS APPLICATIONS, including drinking water purification, irrigation and industrial processes

Pentair Pentek CBC-10 Carbon Water Filter, 10-Inch, Under Sink Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 2.5", 0.5 Micron

Pentair Pentek CBC-10 Carbon Water Filter, 10-Inch, Under Sink Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 2.5", 0.5 Micron Cover
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  • HIGH-CAPACITY SMALL PARTICULATE REDUCTION of bad taste & odor, chlorine and certain VOCs to provide great tasting drinking water
  • FITS ALL 10" standard housings and can replace any 10" x 2.5" carbon filter cartridge
  • EFFECTIVE AT FILTERING fine sediment chlorine taste and odor
  • NSF INTERNATIONAL tested and certified for your peace of mind
  • 20,000 GALLON CAPACITY. Replace every 3 months or when you notice a drop in water pressure or water quality

Pentair Pentek 150071 Traditional Standard Filter Housing, 3/4" NPT #10 Clear Water Filter Housing with Mounting Bracket Cap and Pressure Relief Button, 10-Inch, Blue/Clear

Pentair Pentek 150071 Traditional Standard Filter Housing, 3/4" NPT #10 Clear Water Filter Housing with Mounting Bracket Cap and Pressure Relief Button, 10-Inch, Blue/Clear Cover
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  • CLEAR SUMP manufactured from Styrene-Acrylonitrile (SAN) offers on-site examination of flow, cartridge life and performance
  • FITS ALL 10" x 2.5" standard replacement filter cartridges
  • TESTED AND CERTIFIED by NSF International to NSF/ANSI Standard 42 for material and structural integrity requirements
  • PRESSURE RELIEF BUTTON ON CAP for easy cartridge changes
  • 3/4" NPT INLET AND OUTLET PORT and reinforced polypropylene standard bracket-mounted cap

Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", White

Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", White Cover
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  • GREATLY IMPROVES TASTE by filtering up to 3 PPM of dissolved iron. Eliminate metallic taste
  • PREVENT RUST STAINS on sinks, toilets and plumbing fixtures and prevent appliance damage.
  • WHOLE HOUSE FILTERING on main water line, works great for well water.
  • FITS ALL 20" Big Blue Housing and can replace any 4.5" x 20" Iron reducing filter.
  • REPLACE EVERY 3 MONTHS for 3PPM reduction with a family of four. See image chart for more details.

Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 1

Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 1 Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates. DGD Big Blue water filter cartridges are designed for purity and will NOT impart taste, odor or color to your water
  • IDEAL HIGH-FLOW PRE-FILTER. Filter density increases toward the cartridge's center resulting in superior particulate reduction and 3X the dirt holding capacity of similar size sediment cartridges
  • TESTED AND CERTIFIED BY NSF INTERNATIONAL to NSF/ANSI Standard 42 for your peace of mind. Manufactured with 100% pure polypropylene
  • SIZED FOR USE IN ALL 10 inch Big Blue filter housings (or other heavy duty filter housings) and can replace any 10 inch x 4.5 inch sediment filter cartridge

Pentair Pentek P5 Sediment Water Filter, 10-Inch, Under Sink Spun-Bonded Polypropylene Replacement Cartridge, 10" x 2.5", 5 Micron

Pentair Pentek P5 Sediment Water Filter, 10-Inch, Under Sink Spun-Bonded Polypropylene Replacement Cartridge, 10" x 2.5", 5 Micron Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt, scale, and rust particles in residential, commercial, and municipal drinking water
  • FITS ALL 10" standard housings and can replace any 10" x 2.5" sediment filter cartridge
  • MANUFACTURED FROM PURE 100% POLYPROPYLENE FIBERS spun together to form a true gradient density from outer to inner surfaces
  • DESIGNED FOR PURITY AND CHEMICAL RESISTANCE so will not impart taste, odor or color
  • NSF INTERNATIONAL tested and certified for your peace of mind

Pentair Pentek BBFS-222 Big Blue Three-Housing Filtration System, 1" NPT #20 High Capacity Water Filter Housing, Holds 20" x 4.5" Filter Cartridges

Pentair Pentek BBFS-222 Big Blue Three-Housing Filtration System, 1" NPT #20 High Capacity Water Filter Housing, Holds 20" x 4.5" Filter Cartridges Cover
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  • SHIPS COMPLETELY PRE-ASSEMBLED to save valuable installation time and space
  • THREE BIG BLUE HOUSINGS can house any 20" x 4.5" filter cartridge; ideal for a two-stage sediment/carbon filtration set-up
  • FILTRATION SYSTEM CONSISTS OF filter housings, wall-mounting bracket and hardware
  • EQUIPPED WITH PRESSURE RELIEF BUTTON to relieve housing pressure during cartridge change
  • DURABLE POLYPROPYLENE HOUSINGS have excellent chemical resistance

Pentair Pentek S1 Sediment Water Filter, 10-Inch, Under Sink Pleated Cellulose Filter Cartridge, 10" x 2.5", 20 Micron

Pentair Pentek S1 Sediment Water Filter, 10-Inch, Under Sink Pleated Cellulose Filter Cartridge, 10" x 2.5", 20 Micron Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particles
  • FITS ALL 10" Standard Housing and can replace any 10" x 2.5" sediment filter
  • ECONOMICALLY PRICED AND HIGHLY EFFECTIVE SOLUTION at reducing sediment particles down to 20 microns in size
  • PLEATED MEDIA DESIGN AROUND POLYPROPYLENE CORE maximizes dirt holding capacity and provides added strength
  • RECOMMENDED for chlorinated water supplies

Pentair Pentek ECP20-20BB Big Blue Sediment Water Filter, 20-Inch, Whole House Heavy Duty Pleated Cellulose Polyester Replacement Cartridge, 20" x 4.5", Blue End-Cap, 20

Industrial Process Filter Cartridges
Pentair Pentek ECP20-20BB Big Blue Sediment Water Filter, 20-Inch, Whole House Heavy Duty Pleated Cellulose Polyester Replacement Cartridge, 20" x 4.5", Blue End-Cap, 20 Cover
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  • KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates
  • FITS ALL 20" Big Blue housings and can replace any 20" x 4.5" heavy duty sediment filter cartridge
  • LONGER LIFE with 33% more dirt holding media than many competitors
  • STRONGER than standard cellulose cartridges with a unique blend of resin-impregnated cellulose and polyester
  • REPLACE EVERY 6 MONTHS or when you notice a drop in water pressure or quality. The cap is color-coded for easy replacement

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