The Oase BioPress Pressure Filters are compact all-in-one pond filtration systems with an easy-access lid, allowing the canister to be buried and concealed but still providing access to key components. An integrated UV clumps algae and eliminates green water without the use of chemicals!
Entire unit (except lid) can be installed into the ground
Easy-clean handle removes debris with a few pulls -- no mess!
Included drain valve lets you get rid of the sludge the filter collects