Oase BioTec ScreenMatic Multi-Stage Flow-Through Filters Model:BioTec Screenmatic2 18000 This provides a safe

This provides a safe

This low maintenance solution saves you time and trouble

Do not open packets

20oz 2332 842982023321 Activated Filter Carbon

000 gallons Thermoplastic 21

Oase BioTec ScreenMatic Multi-Stage Flow-Through Filters Model:BioTec Screenmatic2 18000 This provides a safeThe 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