Three mechanical brushes, mechanical filter pad and biological "Biosphere" filter media are included for optimal filtration. The spray bar adds valuable oxygen, necessary for proper filtration. Additional chamber provided into which you can add your favorite biological media if desired. Features spillway for starting high volume waterfall or utilize the 4 bulkhead fittings for initiating individual returns to your pond. Combine with Skimmer Filter for higher efficiency pond filtration for ponds up to 10,000 gallons. Can be easily camouflaged at head of waterfall by covering with stones. Approximate 19" Spillway.
* A larger pump may be used if combined with Skimmer Filter.