GCTek AlphaONE LH 4.25 Filter 10000 Gallons – AO4.25LH


Model – AlphaONE LH 4.25
Size (cu. ft.) – 4.25
Max Pond Size – 10,000 gallons (U.S.)
Flow Rate (gpm) – 90 gpm
Fish Load (lbs.) – 225 lbs.
Dimensions – 24.5″ x 35.5″

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SKU: AO4.25LH Categories: ,


This is the 4.25 cu.ft. AlphaONE LH unit. What a nice size filter. A 4.25 cu. ft. capacity designed to be used on ponds up to10,000 gallons with fish loads up to a whopping 225 lbs. That’s a lot of fish. Easily flows up to 90 gpm while only having a footprint of 24.5" X 35.5".

The AlphaONE LH filters were designed to be the most energy efficient filters on the market. Inside is more than double the lateral surface area, where the upper media gathers around the slots in the Omnifuser, than that used on any other filter. Couple this with the highest flow multiport valve on the market and you have a filter that was designed to be energy efficient and give you the results you want while saving you energy costs.

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Additional information


Pond Product Type

Pond Filtration



Filters Max Pond Size Range

Filter UV Option


Filter Max Pond Size

Filtration Type

Parts and Accessories