C) Mount filter in the desired location on the aquarium, most often a power filter is installed at the rear of an aquarium. AquaClear MINI, 150 and 200: Filter must be level. If it is not, carefully cut the integrated leveling device protruding from the motor until the filter is vertical to the floor. AquaClear 300 and 500: Insert leveling device pin into provide opening on bottom of filter case. Adjust leveling device by turning to the required setting in order that the filter is level.

D) Install intake stem (adjustment control above impeller) and attach integrated strainer/siphon tube on aquarium side of intake. Add more than one intake tube if tank is deep. (extra extension tubes may be ordered separately from their respective parts list).