Under Gravel Filter

23" x 11" For Aquarium Size 24" x 12"

Comes with 1 uplift tube, airline and 1" air stone

Strong plastic construction

Air pump required (not included)

(Spare uplift tubes are available)

The Filter is placed on the inside base of the aquarium 

with the uplift tube attached to one corner of the filter plate,

the filter plate is then covered with gravel (or other substrate)

the air stone is the connected to the air line and fed down the uplift tube

the other end of the airline is then connected to your air pump 

it is always best to have a none return valve in place about 6" from 

the air pump to prevent any back flow of water getting into your air pump.

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