Oase BioSmart Flow-Through Biomechanical Filters Model:BioSmart 5000 The EPDM rubber membrane is

The EPDM rubber membrane is wrapped around a hollow plastic tube

The Oase BioTec ScreenMatic Large Pond Filters are flow-through biomechanical gravity filters with multi-stage filters in a compact package

serrated blade quickly cuts through even the thickest weeds

tool-free design makes maintenance quick and easy

while the Rustic Hickory model uses a solid hickory top

Oase BioSmart Flow-Through Biomechanical Filters Model:BioSmart 5000 The EPDM rubber membrane isOase BioSmart Flow Through Bio Mechanical Filters are multi stage mechanical and biological filtration systems designed for medium ponds with moderate biological load. High surface area filter foams provide exceptional biological filtration capacity for beneficial bacteria to thrive, converting ammonia and nitrites into nitrates, which support plant life. Built in cleaning mechanism allows you to remove or unclog filter foams while keeping your hands