AST Endurance Filter: Revolutionary Automatic PolyGeyser Backwash Pond Filtration Videos 121 views You may also like 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™ Bead Filter Bubble Bead Skid Filtration with Pump Assisted Backwash for Powerful Cleaning! Backwash Demo of Bubble Bead Filter! Robust, dependable filtration for ponds! Live Seafood Holding ‘PLUG AND PLAY’ system for Saltwater: PG 12000 «1234»Page 2 of 4