The Endurance 2000 is the smaller of our two Endurance products with a maximum flow rate of 12gpm.


  • All-in-one solids removal and biofiltration
  • Automatic pneumatic backwash
  • Low water loss
  • Large sludge storage chamber
  • Low profile design
  • No moving internal parts


  • Endurance 2000 PolyGeyser Bead Filter
  • 3/4 Cubit Feet of AST Enhanced Beads
  • Adjustable Flowmeter for Backwash Interval Control
  • Air Fittings, Check Valves, Tubing and Brackets



The AST Endurance™ Filter is an advancement of our patented PolyGeyser® technology with the addition of many new enhancements and increased performance features.

Features Include:

  • Automatic pneumatic backwash enabling the filter to operate for extended periods of time without intervention, saving time and labor
  • Lowest water loss filter in the industry, less than 5% of traditional filters
  • Large sludge storage chamber that concentrates the sludge minimizing servicing needs
  • Superior solids removal and biofiltration in one filter, delivering crystal clear water
  • Low profile design allows for “airlift” water pumping, minimizing energy costs
  • Elegant, simple design with no moving internal parts and no replacement media ever required, guaranteeing trouble free operation
  • Units arrive pre-filled with proprietary Enhanced bead media which never needs replaced



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