OASE BioTec ScreenMatic | English Pond Filtration Videos 64 views You may also like OASE PondoVac Collection Danner Pondmaster Clearguard Pressurized Pond Filter UV Installation Koi & Fish Pond Filters | Water Garden Filtration 03:30 Building the Ultima 02:57 Ultima II Aqua Filter Backwash Overview Endurance Filter: When NOT to drain the sludge or How to avoid Bead Loss in Your Endurance filter AST Endurance 2000: Setting the Auto-Backwash Timing for Easy hands-free Backwash! AST Endurance Filter: Auto-Purge Sludge with Air! Cleaner water through PolyGeyser Technology AST Endurance Filter: Gravity Fed, Airlifted System- No water pumps required! PolyGeyser Backwash AST Endurance Filter: Water Pumped Configuration, PolyGeyser Technology AST Endurance Filter: Revolutionary Automatic PolyGeyser Backwash AST Endurance™ Bead Filter «12345»Page 2 of 5