Oase BioTec ScreenMatic Multi-Stage Flow-Through Filters AquaDyne and includes the following components

and includes the following components (left to right in the image) as well as instructions:

The design of the filter

Hikari® Ultimate® is a full-function water conditioner for freshwater and marine aquariums

B12 Supplement

5 billion colony forming units per ounce

Oase BioTec ScreenMatic Multi-Stage Flow-Through Filters AquaDyne and includes the following componentsThe Oase BioTec ScreenMatic Large Pond Filters are flow through biomechanical gravity filters with multi stage filters in a compact package, perfect for large ponds with high fish load. Mechanical filtration separates out particles and debris using a 300 micron mesh screen, which is cleaned automatically by the filter every 15 minutes! This advanced, innovative filter offers multiple innovative features such as automatic debris separation, double