Filters

Items 193 to 212 of 212 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.
  • Trigger Systems ATO Reservoir - Emerald - 5 gal
    • Matches the color and design of the Emerald Sump
    • Alleviates the burden of manually refilling water
    • Ideal for topping off evaporated aquarium water
    • Features water level markings engraved on the side
    • Included lid to helps prevent rapid evaporation
    USD 114.99
    USD 114.99

    Out of stock

  • Trigger Systems ATO Reservoir - Ruby - 5 gal
    • Matches the color and design of the Ruby Sump
    • Alleviates the burden of manually refilling water
    • Ideal for topping off evaporated aquarium water
    • Features water level markings engraved on the side
    • Included lid to helps prevent rapid evaporation
    USD 114.99
    USD 114.99

    Out of stock

  • Trigger Systems ATO Reservoir - Crystal - 10 gal
    • Matches the color and design of the Crystal Sump
    • Alleviates the burden of manually refilling water
    • Ideal for topping off evaporated aquarium water
    • Features water level markings engraved on the side
    • Included lid to helps prevent rapid evaporation
    USD 145.99
    USD 145.99

    Out of stock

  • Trigger Systems ATO Reservoir - Crystal - 5 gal
    • Matches the color and design of the Crystal Sump
    • Alleviates the burden of manually refilling water
    • Ideal for topping off evaporated aquarium water
    • Features water level markings engraved on the side
    • Included lid to helps prevent rapid evaporation
    USD 99.99
    USD 99.99

    Out of stock

  • 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

    Regular Price: USD 399.99

    Sale Price USD 299.99

    Regular Price: USD 399.99

    Sale Price USD 299.99

  • 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

    Regular Price: USD 299.99

    Sale Price USD 219.99

    Regular Price: USD 299.99

    Sale Price USD 219.99

  • Eheim Classic Series Canister Filters
    • Recommended for tanks up to 500 gallon
    • The flow rate is 900 GPH
    • Inlet 25/34mm and Outlet 16/22mm
    • Bonus double tap connectors ($ value)
    • Includes hoses and accessories (requires 18L media sold separately)

    Price From: USD 77.98

    Price From: USD 77.98

  • Eheim Ecco Comfort Canister Filters
    • Recommended for tanks up to 35 gallons
    • Has a flow rate of 127 GPH
    • Inlet 12/16mm Outlet 12/16mm
    • Is completely user friendly
    • Has media, hoses & accessories needed for start up

    Price From: USD 89.99

    Price From: USD 89.99

  • Eheim Pro 3e Canister Filters
    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! (Professionel 3e 450)

    Price From: USD 349.99

    Price From: USD 349.99

  • Hydor Professional External Filters
    • Multi-stage canister filter for aquariums up to 40 gallons
    • Delivers 160 gph of filtering efficiency at a modest 11 watts
    • Great for both freshwater and saltwater applications
    • Integrated priming pump allows effortless, push-button startup
    • Pre-loaded with biological and mechanical filter media!

    Price From: USD 119.95

    Price From: USD 119.95

    Out of stock

  • Aqueon QuietFlow Internal Filters
    • 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!

    Price From: USD 19.99

    Price From: USD 19.99

  • Fluval 06 Series External Canister Filters
    • 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!

    Price From: USD 109.99

    Price From: USD 109.99

  • Two Little Fishies Phosban Reactors
    Phosban Reactors were designed with the uplflow principle to achieve the most effecient use of PhosBan or other chemical filter media. They force even distribution of water through the media, and prevent channeling.

    Price From: USD 52.73

    Price From: USD 52.73

  • Two Little Fishies Phosban Reactor Replacement O-rings
    Replacement O-Rings for the Two Little Fishies Phosban Reactors

    Price From: USD 2.49

    Price From: USD 2.49

  • Two Little Fishies Phosban Reactor Replacement Foam Disks
    Reticulated foam sponges used to replace the original parts from Two Little Fishies Phosban Reactors. These replacement sponges may also be used for dividing the column in a reactor to segregate different types of chemical filter media.

    Price From: USD 2.49

    Price From: USD 2.49

  • Seapora Breeder Sponge Filters
    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.

    Price From: USD 4.49

    Price From: USD 4.49

  • API Filstar XP Canister Filters
    • Recommended for aquariums up to 45 gallons
    • Powerful 250 gph flow rate
    • Self-priming system for easy start-up
    • Designed for bypass-free water circulation
    • Includes all media, hoses, and accessories

    Price From: USD 112.60

    Price From: USD 112.60

  • Fluval Underwater Filters
    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 flexibility.

    Price From: USD 26.99

    Price From: USD 26.99

  • Hagen Power Filters (CSA)
    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.

    Price From: USD 25.99

    Price From: USD 25.99

  • 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

    Regular Price: USD 269.99

    Sale Price USD 199.99

    Regular Price: USD 269.99

    Sale Price USD 199.99

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