Filters

Items 1 to 48 of 158 total

Despite having over 100 filters for sale, Big Al’s Pets make it easy to find the perfect match for your aquarium. Our aquarium filters are easily sorted into categories so you can provide your fish with the best filtration system for their needs. You’ll find everything from power filters to canister filters to modular filters on our site. Plus, we carry under-gravel filters, sponge filters, sump filters, and fluidized bed filters to accommodate any application or setup. Each one provides high-quality filtration to ensure the best water quality and clarity for your fish.

When choosing an aquarium filter, make sure you take into account the many factors which can affect filter performance. The size of your tank is a major determining factor in the type of filter that you require. For example, some larger tanks employ multiple filters to achieve the best water conditions. You’ll also need to consider other factors, such as how many and what types of fish you have in your aquarium. Take a closer look at our amazing selection of aquarium filters, and you’re sure to find one that meets your specific needs.
  • Eheim Classic Canister Filter with Media - 2217
    • Recommended for tanks up to 160 gallon
    • The flow rate is 264 GPH
    • Inlet 16/22mm and Outlet 12/16mm
    • Simple and efficient canister filter design
    • Includes all media, hoses and accessories required for start up

    Regular Price: USD 169.99

    Special Price USD 139.99

    Regular Price: USD 169.99

    Special Price USD 139.99

  • Eheim Classic Canister Filter with Media - 2215
    • Recommended for tanks up to 95 gallon
    • The flow rate is 164 GPH
    • Inlet 12/16mm and Outlet 12/16mm
    • Simple and efficient canister filter design
    • Includes all media, hoses and accessories required for start up

    Regular Price: USD 129.99

    Special Price USD 109.99

    Regular Price: USD 129.99

    Special Price USD 109.99

  • Classic Canister Filter with Media - 2211
    • Large filter canister for long service life
    • Suitable for aquarium sizes up to 40 gallons
    • Equipped with filter sponges and/or loose filter media
    • Balanced pump output to canister volume
    • Ensures optimum conditions in your aquarium

    Regular Price: USD 84.99

    Special Price USD 67.99

    Regular Price: USD 84.99

    Special Price USD 67.99

  • Tom Aquatics Rapids Mini Canister Filter - C-80
    The Rapids 3-Stage Canister Filter has a self priming, top mounted sealed motor. The canister is lightweight enough to hang directly on the back of the aquarium. Provides efficient mechanical, chemical and biological filtration.

    Regular Price: USD 34.99

    Special Price USD 26.99

    Regular Price: USD 34.99

    Special Price USD 26.99

  • Pro 4+ Canister Filter - 600
    • Maintains the performance and efficiency of it's predecessors
    • Still implements self-priming, prefilter, and safety adapters!
    • New Range Xtender Function lengthens time between cleanings
    • "Xtender" button helps in the event that fine filter-media clogs
    • Features a lower power consumption and an all black exterior
    USD 299.99
    USD 299.99
  • Pro 4+ Canister Filter - 250
    • Maintains the performance and efficiency of it's predecessors
    • Still implements self-priming, prefilter, and safety adapters!
    • New Range Xtender Function lengthens time between cleanings
    • "Xtender" button helps in the event that fine filter-media clogs
    • Features a lower power consumption and an all black exterior
    USD 229.99
    USD 229.99
  • Hagen Aquaclear Power Filter - 70
    The AquaClear Power Filters provide mechanical, chemical and biological filtration through their multi-stage filtration system. Filtration volume is up to 7 times larger than comparable Filters. Installation and maintenance are quick, easy and convenient.
    USD 49.99
    USD 49.99
  • FX6 High Performance Canister Filter
    • Ultra powerful canister filter boasts a 563 gph flow rate!
    • Smart Pump Technology (SPT) ensures optimal performance
    • Includes all media required for highly effective filtration
    • Mega capacity filter holds 5.9 L of filter media
    • Integrated dials remind you when maintenance is required
    USD 339.99
    USD 339.99
  • Marineland Penguin BIO-Wheel Power Filter - 350B
    • Powerful multi-stage filtration for aquariums up to 70 gallons
    • Generates a 350 gph flow rate at an energy-efficient 9 watts
    • Patented BIO-Wheel eliminates toxic ammonia and nitrite!
    • Equally capable in freshwater and saltwater environments
    • Includes BIO-Wheels, filter cartridges, and 3-year warranty

    Regular Price: USD 45.49

    Special Price USD 29.99

    Regular Price: USD 45.49

    Special Price USD 29.99

  • Magniflow Canister Filter - 220
    • Multi-stage filter ideal aquariums up to 55 gallons in size
    • With a maximum flow rate of 220 gph at a mere 20 watts
    • Fantastic for both freshwater and saltwater applications
    • Built-in quick prime button for easy installation and set up
    • Water-tight canister lid with valve blocks for quick release

    Regular Price: USD 129.99

    Special Price USD 99.99

    Regular Price: USD 129.99

    Special Price USD 99.99

  • Marineland Emperor Power Filter - 400
    Emperor Filter Systems are advanced aquarium technology at its finest. With a revolutionary two-pump design, flow and filtration efficiencies of the Emperor's are unmatched by other filters in their class.

    Regular Price: USD 65.99

    Special Price USD 49.99

    Regular Price: USD 65.99

    Special Price USD 49.99

  • Pro 4e+ Canister Filter - 350
    • Maintains powerful performance and high-tech capabilities
    • Includes Constant Flow and Electronic Output Control features
    • Electronic Air Indicator, 12-Hour Bio and Stream Functions
    • New Range Xtender Function prolongs time between cleanings
    • Features a lower power consumption and an all black exterior
    USD 419.99
    USD 419.99
  • Marineland Multi-Stage Canister Filter - C-530
    • Designed to handle large water volumes and heavy waste loads
    • Stress free maintenance and virtually no media by-pass
    • Highly effective multi-stage filtration
    • All media and hosing included
    • Great for freshwater and saltwater applications

    Regular Price: USD 219.99

    Special Price USD 174.99

    Regular Price: USD 219.99

    Special Price USD 174.99

  • Pro 4+ Canister Filter - 350
    • Maintains the performance and efficiency of it's predecessors
    • Still implements self-priming, prefilter, and safety adapters!
    • New Range Xtender Function lengthens time between cleanings
    • "Xtender" button helps in the event that fine filter-media clogs
    • Features a lower power consumption and an all black exterior
    USD 269.99
    USD 269.99
  • Marineland Penguin BIO-Wheel Power Filter - 200B
    • Powerful multi-stage filtration for aquariums up to 50 gallons
    • Generates a 200 gph flow rate at an energy-efficient 8 watts
    • Patented BIO-Wheel eliminates toxic ammonia and nitrite!
    • Equally capable in freshwater and saltwater environments
    • Includes BIO-Wheel, filter cartridge, and 3-year warranty

    Regular Price: USD 34.99

    Special Price USD 19.99

    Regular Price: USD 34.99

    Special Price USD 19.99

  • Magniflow Canister Filter - 360
    • Multi-stage filter ideal aquariums up to 100 gallons in size
    • With a maximum flow rate of 360 gph at a mere 35 watts
    • Fantastic for both freshwater and saltwater applications
    • Built-in quick prime button for easy installation and set up
    • Water-tight canister lid with valve blocks for quick release

    Regular Price: USD 169.99

    Special Price USD 139.99

    Regular Price: USD 169.99

    Special Price USD 139.99

  • External Canister Filter - 406
    • Enhanced filtration - Reduced maintenance frequency - Quieter operation
    • Patented Aqua-Stop valves for easy hose disconnection
    • Re-engineered priming system for easier starting
    • Removable filter baskets include necessary media
    • Creates the cleanest, clearest, healthiest aquariums!
    USD 199.99
    USD 199.99
  • Hagen Aquaclear Power Filter - 110
    The AquaClear Power Filters provide mechanical, chemical and biological filtration through their multi-stage filtration system. Filtration volume is up to 7 times larger than comparable Filters. Installation and maintenance are quick, easy and convenient.
    USD 79.99
    USD 79.99
  • Skim350 Micro Surface Skimmer
    • Designed for use in aquariums up to 92 gallons
    • Removes dust, oily films, and microorganisms from water's surface
    • Promotes proper gas exchange for a healthier aquarium
    • Driven by 80 gph pump with adjustable flow control
    • Self-adjusting float compensates for water evaporation

    Regular Price: USD 34.99

    Special Price USD 24.99

    Regular Price: USD 34.99

    Special Price USD 24.99

  • Magniflow Canister Filter - 160
    • Multi-stage filter ideal aquariums up to 30 gallons in size
    • With a maximum flow rate of 160 gph at a mere 12 watts
    • Fantastic for both freshwater and saltwater applications
    • Built-in quick prime button for easy installation and set up
    • Water-tight canister lid with valve blocks for quick release

    Regular Price: USD 99.99

    Special Price USD 69.99

    Regular Price: USD 99.99

    Special Price USD 69.99

  • Seapora Breeder Sponge Filter - 136
    Designed for use with an air pump or powerhead, the Seapora Breeder Sponge Filter provides both mechanical and biological filtration. It is simple to assemble and features a weighted base for stability.

    Regular Price: USD 10.49

    Special Price USD 8.99

    Regular Price: USD 10.49

    Special Price USD 8.99

  • External Canister Filter - 306
    • Enhanced filtration - Reduced maintenance frequency - Quieter operation
    • Patented Aqua-Stop valves for easy hose disconnection
    • Re-engineered priming system for easier starting
    • Removable filter baskets include necessary media
    • Creates the cleanest, clearest, healthiest aquariums!
    USD 169.99
    USD 169.99
  • Eheim Pro 3 2080 Canister Filter
    This filter system is filled with the convenient priming support at "the push of a button" and immediately the system starts working. Thanks to the easy-to-use filter baskets, cleaning or replacement of the filter media is much easier.

    Regular Price: USD 479.99

    Special Price USD 379.99

    Regular Price: USD 479.99

    Special Price USD 379.99

  • Eheim Prefilter
    • Compatible with nearly all Eheim canister filters!
    • Helps avoid the premature clogging of filter media
    • Wide surface area draws in and traps dirt particles
    • Features 2 Easy Klick filter baskets with cartridges
    • Increases the time required for regular maintenance
    USD 11.99
    USD 11.99
  • Eheim Ecco Comfort Canister Filter - 2236
    • Recommended for tanks up to 80 gallons
    • Has a flow rate of 185 GPH
    • Inlet 12/16mm Outlet 12/16mm
    • Is completely user friendly
    • Has media, hoses & accessories needed for start up

    Regular Price: USD 144.99

    Special Price USD 119.99

    Regular Price: USD 144.99

    Special Price USD 119.99

  • Professional External Filter - 350
    • Multi-stage canister filter for aquariums up to 100 gallons
    • Delivers 240 gph of filtering efficiency at a modest 22 watts
    • Great for both freshwater and saltwater applications
    • Integrated priming pump allows effortless, push-button startup
    • Pre-loaded with biological and mechanical filter media!
    USD 136.95
    USD 136.95
  • Marineland Penguin BIO-Wheel Power Filter - 150B
    • Powerful multi-stage filtration for aquariums up to 30 gallons
    • Generates a 150 gph flow rate at an energy-efficient 7.5 watts
    • Patented BIO-Wheel eliminates toxic ammonia and nitrite!
    • Equally capable in freshwater and saltwater environments
    • Includes BIO-Wheel, filter cartridge, and 3-year warranty

    Regular Price: USD 29.99

    Special Price USD 19.99

    Regular Price: USD 29.99

    Special Price USD 19.99

  • Eheim Pro 3 Thermofilter - 2180
    Eheim 2180 Thermofilter comes with a stainless steel heater built right into the bottom of the filter! This filter will ensure even heating and effective filtration of your aquarium water with no unsightly sumbersible heaters needed. Media not Included.

    Regular Price: USD 589.99

    Special Price USD 469.99

    Regular Price: USD 589.99

    Special Price USD 469.99

  • API Filstar Canister Filter - XP-XL
    • Recommended for aquariums up to 265 gallons
    • Powerful 450 gph flow rate
    • Self-priming system for easy start-up
    • Designed for bypass-free water circulation
    • Includes all media, hoses, and accessories
    USD 189.99
    USD 189.99
  • Marineland Penguin BIO-Wheel Power Filter - 75B
    • Powerful multi-stage filtration for aquariums up to 10 gallons
    • Generates a 75 gph flow rate at an energy-efficient 6.5 watts
    • Patented BIO-Wheel eliminates toxic ammonia and nitrite!
    • Equally capable in freshwater and saltwater environments
    • Includes BIO-Wheel, filter cartridge, and 3-year warranty

    Regular Price: USD 9.99

    Special Price USD 8.99

    Regular Price: USD 9.99

    Special Price USD 8.99

  • Eheim Pro 3e Canister Filter - 2078
    The PRO 3e is the world's first microprocessor controlled aquarium filter. Easily monitor and control the output of the filter to ensure optimum performance and results. New - Bio-Stream function for varying flow patterns!

    Regular Price: USD 449.99

    Special Price USD 349.99

    Regular Price: USD 449.99

    Special Price USD 349.99

  • Tom Aquatics Dive Clean Mini Internal Filter
    Powerful mini submersible filter that is ideal for Nano tanks and other small aquariums, as well as for use in reptile tanks. Energy saving compact motor runs on a low 12 Volt power supply for safe operation in water. For freshwater or marine use.

    Regular Price: USD 15.99

    Special Price USD 14.39

    Regular Price: USD 15.99

    Special Price USD 14.39

  • Hagen Aquaclear Power Filter - 50
    The AquaClear Power Filters provide mechanical, chemical and biological filtration through their multi-stage filtration system. Filtration volume is up to 7 times larger than comparable Filters. Installation and maintenance are quick, easy and convenient.
    USD 37.99
    USD 37.99
  • External Canister Filter - 206
    • Enhanced filtration - Reduced maintenance frequency - Quieter operation
    • Patented Aqua-Stop valves for easy hose disconnection
    • Re-engineered priming system for easier starting
    • Removable filter baskets include necessary media
    • Creates the cleanest, clearest, healthiest aquariums!
    USD 119.99
    USD 119.99
  • API Filstar Canister Filter - XP-L
    • Recommended for aquariums up to 175 gallons
    • Powerful 350 gph flow rate
    • Self-priming system for easy start-up
    • Designed for bypass-free water circulation
    • Includes all media, hoses, and accessories
    USD 159.99
    USD 159.99
  • Fluval Underwater Filter - U4
    The new Fluval underwater filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Offers a Flip-Top for quick and easy maintenance and an adjustable 3 way flow for output flexibilty.

    Regular Price: USD 69.99

    Special Price USD 59.99

    Regular Price: USD 69.99

    Special Price USD 59.99

  • Professional External Filter - 450
    • Multi-stage canister filter for aquariums up to 125 gallons
    • Delivers 260 gph of filtering efficiency at a modest 34 watts
    • Great for both freshwater and saltwater applications
    • Integrated priming pump allows effortless, push-button startup
    • Pre-loaded with biological and mechanical filter media!
    USD 179.95
    USD 179.95
  • Fluval Surface Skimmer
    The Fluval aquarium surface skimmer draws water from the surface of the aquarium eliminating undesirable surface films.

    Regular Price: USD 12.99

    Special Price USD 9.99

    Regular Price: USD 12.99

    Special Price USD 9.99

  • QuietFlow Internal Filter - AT10
    • Delivers highly effective 3-stage filtration
    • Ideal for aquariums and terrariums up to 10 gallons
    • Directional return pipe allows horizontal or vertical mounting
    • Easy-to-use flow rate adjuster enables precise output control
    • Includes a limited lifetime manufacturer's warranty!

    Regular Price: USD 19.99

    Special Price USD 15.99

    Regular Price: USD 19.99

    Special Price USD 15.99

  • External Canister Filter - 106
    • Enhanced filtration - Reduced maintenance frequency - Quieter operation
    • Patented Aqua-Stop valves for easy hose disconnection
    • Re-engineered priming system for easier starting
    • Removable filter baskets include necessary media
    • Creates the cleanest, clearest, healthiest aquariums!
    USD 109.99
    USD 109.99
  • Hagen Aquaclear Power Filter - 30
    The AquaClear Power Filters provide mechanical, chemical and biological filtration through their multi-stage filtration system. Filtration volume is up to 7 times larger than comparable Filters. Installation and maintenance are quick, easy and convenient.
    USD 32.99
    USD 32.99
  • API Filstar Canister Filter - XP-M
    • Recommended for aquariums up to 75 gallons
    • Powerful 300 gph flow rate
    • Self-priming system for easy start-up
    • Designed for bypass-free water circulation
    • Includes all media, hoses, and accessories
    USD 109.99
    USD 109.99
  • Professional External Filter - 250
    • Multi-stage canister filter for aquariums up to 75 gallons
    • Delivers 200 gph of filtering efficiency at a modest 17 watts
    • Great for both freshwater and saltwater applications
    • Integrated priming pump allows effortless, push-button startup
    • Pre-loaded with biological and mechanical filter media!
    USD 122.95
    USD 122.95
  • Lee's Under Gravel Filter - 15/20 gal
    Designed with adjustable 1" diameter uplift tubes for better water circulation and multiple-plate construction for easy installation. Advanced design allows a separate plate installation and also has optional flow-thru set-up for use with a power head.

    Regular Price: USD 12.99

    Special Price USD 8.54

    Regular Price: USD 12.99

    Special Price USD 8.54

  • Professional External Filter - 600
    • Multi-stage canister filter for aquariums up to 150 gallons
    • Delivers 290 gph of filtering efficiency at a modest 35 watts
    • Great for both freshwater and saltwater applications
    • Integrated priming pump allows effortless, push-button startup
    • Pre-loaded with biological and mechanical filter media!
    USD 198.95
    USD 198.95
  • Lee's Under Gravel Filter - 20 Long/29 gal
    Designed with adjustable 1" diameter uplift tubes for better water circulation and multiple-plate construction for easy installation. Advanced design allows a separate plate installation and also has optional flow-thru set-up for use with a power head.

    Regular Price: USD 15.99

    Special Price USD 10.79

    Regular Price: USD 15.99

    Special Price USD 10.79

  • Fluval Underwater Filter - U3
    The new Fluval underwater filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Offers a Flip-Top for quick and easy maintenance and an adjustable 3 way flow for output flexibilty.

    Regular Price: USD 49.99

    Special Price USD 44.99

    Regular Price: USD 49.99

    Special Price USD 44.99

  • Quick-Draw Corner Aquarium Filter
    Small corner filter ideal for small tanks or fry tanks. Includes: air stone, water outlet tube, 5 feet of high quality kink resistant airline tubing, activated carbon and filter floss. All thats needed is an air pump.

    Regular Price: USD 5.99

    Special Price USD 5.39

    Regular Price: USD 5.99

    Special Price USD 5.39

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