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Shop External Pond Filters
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Bio
Water Quality
Mechanical External Pond Filters
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Aquascape™ Pond Filter Urn

As low as $127.98
Add a touch of rustic charm AND improve water quality of your pond or water garden. Aquascape Inc Pond Filter Urn is a decorative ceramic filter that incorporates easily into any setting. Functional and aesthetically-pleasing filter provides two-stage mechanical and biological filtration to help keep pond water clean and clear. Use as your main filter for smaller ponds up to ...
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Fish Mate Gravity UV & Bio Pond External Filters

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As low as $18.99
Attractively priced, flow-through UV pond filters designed for optimum water quality. High performance combination filters feature Fish Mate SUPRA biological filter media to promote rapid growth of ammonia and nitrite reducing bacteria. Improved design features 2 fine and 2 coarse filter foams for exceptional mechanical filtration. Built-in UV clarifier provides added water clarity so you ...
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Cobalt Pond Puro Gravity Filter

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As low as $47.99
Professional filter for cleaner, healthier koi & goldfish ponds Multistage bio-filtration eliminates ammonia toxic to pond life Modular pond filter comes pre-installed with media for quick setup Modular, multistage mechanical and biological filtration delivers pristine water quality for cleaner, healthier koi ponds. Cobalt Puro Gravity Filter is designed with the water garden and koi pond ...
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Cobalt Prexo Bio-Pressure Filter

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As low as $27.99
Italian innovation upgrades pressure filter design with multistage filtration AND greater ease-of-use. Cobalt Prexo Bio-Pressure Filter keeps pond water clean and healthy with little effort on your part. This easy-to conceal system can be partially buried for discreet, low-profile installation that preserves the beauty of your pond or water garden. Once installed, multiple stages of ...
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Little Giant Pressurized Filter

As low as $199.99
Compact pressurized filter for ponds and water gardens Biological and mechanical filtration keeps pond water clean Turn "grip-n-twist" handle for easy cleaning of pond filter sponge Ease of filter upkeep means peak pond conditions. The Little Giant Pressurized Bio Filter with "grip-n-twist" handle lets you clean your pond filter sponge without having to remove the filter lid. This time-saving ...
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Laguna Pressure-Flo UVC Filter

As low as $479.99
High performance pressurized pond filter system with UV clarifier Algae-clumping UV lamp and efficient bio-mechanical filtration keeps pond water clean and clear Revolutionary backwash system extends interval between pond filter maintenance Pressurized pond filter with integrated UV clarifier makes beautiful water gardens simple. Easy-to-install filter features algae-clumping UV lamp and ...
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Pondmaster Pressurized Filter System

As low as $389.99
Pressurized pond filter system with built-in pressure gaugeMonitor filter pressure to ensure optimal pond filtrationHandy maintenance features for reliable pond filter operation Innovative features simplify filter upkeep for years of reliable performance. These heavy-duty pressurized pond filters provide mechanical and biological filtration and are loaded with convenient features. Built-in ...
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Laguna PowerFlo 4500 External Filter

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As low as $15.99
Ideal for ponds up to 1,000 gallonsFeatures biological and mechanical filtrationIncludes pumice filter material and foam pad This tireless filter tackles the problems of cloudy or dirty water with ease. Ideal filter for ponds up to 1,000 gallons, this external filter features 3-stage filtration with 2 baskets that lift out for easy maintenance. Includes pumice filter material as biological ...
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Ocean Clear In-Line Filters

As low as $269.99
External useIdeal for ponds up to 1,000 gallons These filters are centered around an 18-watt UV sterilizer, ideal for use in ponds up to 1,000 gallons to effectively kill free-floating bacteria and algae. Both are modular in design and can be used in-line with other filters. The 375UV is surrounded with a 25 micron spin bonded, polyester filter cartridge for ...
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TetraPond Bio-Active Pressure Filter

As low as $149.99
Easy-to-maintain pressure filter for ponds and water gardens Open profile media maintains efficient pond biological filtration Simple backflush feature keeps filter performing in peak condition Enjoy cleaner, healthier ponds and water gardens with less effort. The improved TetraPond Bio-Active Pressure Filters employ advanced bio-active media that resists clogging, even after extended periods ...
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PowerFlo Max Underwater Filter

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As low as $79.99
Underwater pond filter for mechanical and biological filtrationPowerFlo Max filter boasts easy installation and maintenanceUse as a fountain pre-filter or part of a complete pond filtration system Keep pond water pristine with a Laguna PowerFlo Underwater Filter. With its powerful mechanical filtration system, the PowerFlo efficiently eliminates dirt and floating debris. What sets it apart ...
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EasyPro Eco-Series Tempo Submersible Pond Filter

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As low as $42.49
"Video coming soon" Heavy-duty submersible biological and mechanical pond filterSubmersible pond filter boasts extreme ease of installationGreat way to create a waterfall feature without a skimmer filter Create a gorgeous waterfall feature with minimal effort. The EasyPro Eco-Series Tempo Submersible Pond Filter is the sensible and easy-to-install alternative to skimmer filters. Filter unit ...
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Fish Mate Pressurized UV+Bio Pond Filters

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As low as $15.99
Pressure filter with combined UV, mechanical, and biological filtration for clear, purified water Easy to install and maintain - bury above or below pond level Auto-clean with the turn of a knob with PowerClenz feature These external pressure filters can be buried above or below pond level, and feature 3 different types of filtration to keep your pond water super ...
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Pondmaster Filter Units

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As low as $37.99
Dual filter elements offer mechanical and chemical filtrationExpandable – hook together for additional filtrationCan be used in as little as 6" of waterMedia is easily rinsed or changed Complete pond filtering systems that can be used with most submersible water pumps up to 500 gph. Modular design allows two or more units to be tied together to handle larger volume pumps. ...
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Crystal-Flo Complete Pond Filter System

As low as $149.99
Compact, submersible pond filtration system Built-in UV clarifier enhances pond water clarity Easy-to-install pond filter includes water fountain kit Keep your pond looking its best in just one simple step. Install the Crystal-Flo Complete Pond Filter System and enjoy the benefits of a mechanical and biological pond filter, a UV (ultraviolet) clarifier AND a beautiful water fountain kit. ...
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Tetra Pond Cylinder Pre-Filter

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As low as $4.99
Cylinder pump pre-filter for submersible pond pumpsPrevent impeller damage and reduce pump stress and wearHelp extend the life of your TetraPond Water Garden Pump Easy upgrade prolongs pond pump life. The TetraPond Cylinder Pre-Filter is the easy-to-install solution to dramatically reduce pump damage due to debris. Stop sand, gravel, twigs or any foreign matter from damaging pump impeller or ...
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Aquascape Container Garden Filter

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As low as $19.98
Extremely energy efficient filter with mag drive motor is easy to maintain. Use for circulation or to run a variety of ornaments or accessories. The Aquascape Container Water Garden Filter is a complete solution for small to medium-size container water gardens or any containers with stagnant or non-moving water, including birdbaths, or water containers holding specimen pond plants like lotus ...
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Drs. Foster & Smith

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As low as $9.99
Submersible pond filter with sleek expandable modular design 360 degree rotating outlet for convenient pond filter installation Large integrated handle simplifies routine maintenance Multi-chamber submersible filters combine mechanical and biological filtration for crystal clear pond water. Unique, modular cylinder design draws in debris from all sides to ensure effective filtration while ...
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