Collection: Aquarium & Fish Tank Filters
Maintain clear and healthy water with Aquarium & Fish Tank Filters.
Replacement cartridges fit most popular aquarium systems.
Keeps aquatic life safe by removing debris and impurities.
Easy installation for freshwater or saltwater tanks.
AquaNest brings reliable water care for fish enthusiasts.
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Pentair Pentek EPM-20 Carbon Water Filter, 20-Inch, Whole House Modified Epsilon Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 2.5", 10 Micron
Regular price $47.20 USDRegular price -
Pentair Pentek EPM-20BB Big Blue Carbon Water Filter, Whole House Modified Epsilon Carbon Block Filter Cartridge with Bonded Powered Activated Carbon (PAC) Filter, 20” x 4.5”, 10 Micron, Pack of 4
Regular price $452.87 USDRegular price -
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
Regular price $145.60 USDRegular price -
Pentair Pentek RFC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 10" x 4.5", 25 Micron
Regular price $82.92 USDRegular price -
Pentair Pentek RFC-20 Carbon Water Filter, 20-Inch, Whole House Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 2.5", 25 Micron
Regular price $62.72 USDRegular price -
Pentair Pentek EPM-BB Big Blue Carbon Water Filter, Whole House Modified Epsilon Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 4.5", 10 Micron, Pack of 4
Regular price $245.35 USDRegular price -
Pentair Pentek EPM-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Modified Epsilon Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 10 Micron
Regular price $90.75 USDRegular price -
Pentair Pentek EPM-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Modified Epsilon Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 4.5", 10 Micron
Regular price $66.56 USDRegular price -
Pentair Pentek GAC-20 Carbon Water Filter, 20-Inch, Whole House Granular Activated Carbon (GAC) Replacement Cartridge, 20" x 2.5", White
Regular price $52.87 USDRegular price -
Pentair Pentek GAC-20BB Big Blue Carbon Water Filter, 20-Inch, Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 20" x 4.5", Pack of 4
Regular price $389.19 USDRegular price -
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, Pack of 12
Regular price $301.98 USDRegular price -
Pentair Pentek CBC20-BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 0.5 Micron, Pack of 4
Regular price $763.63 USDRegular price -
Pentair Pentek GAC-5 Carbon Water Filter, 5-Inch, Under Sink Granular Activated Carbon (GAC) Replacement Cartridge, 5" x 2.5"
Regular price $20.30 USDRegular price -
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
Regular price $37.76 USDRegular price -
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 8
Regular price $389.28 USDRegular price -
Pentair Pentek GAC-10 Carbon Water Filter, 10-Inch, Under Sink Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 2.5" , Blue
Regular price $24.46 USDRegular price
Why You’ll Love AquaNest
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🏅 Premium Quality
Made with certified materials for safe, reliable performance. -
🚚 Fast & Easy Setup
Quick installation with user-friendly design. -
💧 Healthier Living
Provides cleaner water and fresher air for your home. -
🔄 Long-Lasting Value
Durable products designed to reduce waste and save money.
How AquaNest Filters & Purifiers Work
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Step 1 — Easy Installation
Install your AquaNest water filter, air purifier, or humidifier in minutes — no tools required. -
Step 2 — Reliable Performance
Certified filtration delivers powerful results, removing impurities for cleaner air and pure water every day. -
Step 3 — Everyday Wellness
Experience healthier living with AquaNest — breathe fresher air and enjoy safer, better-tasting water at home.
What Our Customers Say
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"The installation was quick and easy, and my family noticed fresher air within a day."
– Emily, 34 -
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"Our baby’s allergies improved after using AquaNest’s purifier. Couldn’t be happier!"
– Jason, 41 -
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"Finally, water tastes clean again. Filters are high quality and last long."
– Sarah, 29 -
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"Reliable and worth every penny. Setup was simple, and performance is excellent."
– Robert, 52
