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Your cart is empty.The SUNSUN CBF-350 koi pond filter system is a complete box filtration system designed to run pond water through a variety of filter media and fine and coarse foams to keep your pond looking crystal clear. This system is suitable for ponds with fish up to 1, 500 gallons or ornamental ponds up to 3, 000 gallons. Filter operation the filtration system uses a variety of filter media distributed amongst the different compartments inside its filter bay, allowing you to filter high volumes of water. This single-bay filter system has two (2) blue coarse filter foams and two (2) yellow fine filter foams included. The filter has four different stages of filtration: 1) firstly, the water passes through the filter media bay (stocked with media of your choice) 2) then the water is guided through high-quality Japanese matting, 3) after matting, the water will flow through the filter foams provided, 4) the last section of the filter bay has additional room for filter media.
Alan F.
2025-08-30 19:46:46
Easy to clean and works well. I remove top, empty contents, hose out container and filters. Close back up. It's not an immediate remedy. But, it's definitely working. Will probably buy another to have a spare. Size is a little bit larger than I realized. But, it's the same size that's advertised. Good value. Common sense assembly - along with assembly directions.
Kerry Taylor-Snyder
2025-08-27 12:06:21
Works great. Cleared my pond within a day!
A. Cervini
2025-08-02 11:47:02
The instructions are useless. Luckily I found a video on u tube. Once it was installed my pond was totally clear in a matter of hours.
Evan
2025-07-02 13:41:27
Added this to my new 150 gallon pond 2 weeks after initial setup. With this and some beneficial bacteria my cycle was over in no time. works great, keeps water clean and clear
Anathy Construction LLC.
2025-04-18 14:53:00
Like anything you buy it must be the right tool for the job, this is a gravity filter system so you can’t try to run a waterfall from it unless you’re planning on putting it above the level of the waterfall fixture.This filter along with my pressurized water filter (could not keep up)cleaned my 1000 gallon 9 large koi pond within a few days( I had to clean it out a few times the first couple of days but it was just doing its job and quite well at it.
Iris Quiñones
2025-04-14 16:43:14
The media could not be loaded.
R. Marcus
2025-02-17 17:19:25
I've used for 3 years. Connected 3 together with a 1500 gph pump and it keeps my 1600 koi and goldfish pond clean with weekly backflush.
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