10 Best Koi Pond Filters 2024 in the US

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Easy to install: Quick and simple setup process.

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Filter included: Comes with a built-in filter for convenience.

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Easy to use: User-friendly design for hassle-free operation.

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Age range: all life stages: Suitable for users of all ages.

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Premium Material: Strengthened ABS material resists sunlight, water, and age.

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Great Filtration: 4 filter sponges and 13W lamp reduce water pollution.

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Easy to Operate: Switch function from filtered water to sewage easily.

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Superior Performance: Max flow-through of 7000L/H for ponds up to 2100 Gallons.

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Convenient Maintenance: Crank handle for easy cleaning without opening container.

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Optimal Filtration: Suitable for ponds up to 2,000 gallons.

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High Flow Rate: Maximum flow rate of 2,700 GPH.

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Sponge-Free Design: Minimizes maintenance and maximizes filtration.

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T5 UV Clarifier: Eliminates green water effectively.

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Electronic Bulb-Saver: Extends the life of the UV bulb.

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Integrated Filtration System: Keeps water healthy, balanced, and clear.

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Built-in Pond Pump & Fountain Kit: Includes 660 GPH pump and 3 spray nozzles.

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Runs Two Water Features: Supports fountain and waterfall with adjustable flow.

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Easy Access & Maintenance: Single unit design with easy access clips for cleaning.

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Premium Filter Materials: Double filter area improves water clarity and quality.

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Efficient Pump & Filtration: For ponds up to 200 gallons.

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UV Clarifier Light: 5 watt light kills green water and algae.

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Ceramic Biomedia: Supports bacteria for a clear, healthy pond.

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LED Spotlight: 1 watt light for day and night enjoyment.

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Fountain Heads: Includes 3 beautiful fountain heads.

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Flow-Through filter design: Provides maximum oxygenation.

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Suitable for ponds: Handles up to 5,000 gallons without fish.

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High-surface area filter foams: Exceptional biological filtration.

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Distinct filter zones: Promotes beneficial bacterial settlement.

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Built-in cleaning indicator: Notifies when filter needs cleaning.

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Mechanical and biological filtration: Helps maintain clean and healthy pond water.

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Backflush valve: Allows for fast and easy cleaning.

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Bio-activators: Provide large surface area for improved cleaning.

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Capacity: Suitable for ponds up to 2500 gallons.

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Frustration-Free Packaging: Ships in Certified Frustration-Free Packaging.

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Fast Purification: Purifies ponds up to 2000 gallons in 3-7 days.

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Adjustable UV-C Lamp: 13W lamp with three timing settings for water quality.

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Powerful Filtration: Four sponges remove particles, sediments, and organic matter.

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Easy Cleaning: Crank handle and turbidity indicator for simple maintenance.

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Durable Construction: Made from reinforced PP material with three adapter sizes.

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Maximum Flow Rate: 1350 U.S. GPH for efficient water circulation.

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Maximum Pond Volume: Supports ponds up to 2700 U.S. gallons.

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Power Cord Length: 16-foot cord for flexible installation.

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Warranty: 3-year warranty for peace of mind.

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Ideal DIY solution: Perfect for filtering small ponds up to 1,000 gallons.

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Optimized filtration: Includes mechanical, biological filtration, and aeration.

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Easy installation: Simple and cost-effective setup for pond owners.

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Durable construction: Made from composite material for strength and longevity.