Aquarium FiltersFilters are used to process waste and impurities to maintain pristine water quality and keep your tank inhabitants healthy. Some of the most popular filters include the Canister Filters and Hang on the Tank Power Filters. These filters are suitable for freshwater, saltwater and reptile/amphibian set ups.
Though there are more powerful filtration systems available for aquariums, there is no denying that the undergravel filter is effective in its own right. It is a very simple filter -- biological, to be exact. It is placed on a s...ONLY$3.68