How to install the upper and lower flower baskets with triple filtration in fish tanks?

Triple filtration of fish tank; upper and lower flower baskets put the filter box on the fish tank, which is higher than the water surface.

1. Turn off the filter, unplug the power supply, and then remove the cover of the filter.

2. Loosen the nut fixing the filter with tools, and then remove the original pressure plate and filter element in turn.

3. Before installation, the new filter element should be soaked for half an hour, and the flower basket should be kept moist.

4. Carefully clean the location where the filter element is installed, and then install a new filter element, and both ends should be fixed with pressure plates.

5. Replace the cover.