Description
AST Endurance Bead Filters
The AST Endurance Bead Filter series represents the next generation of pond filtration, utilizing patented PolyGeyser® technology to provide a "set it and forget it" solution for water clarity. Designed by Aquaculture Systems Technologies, these filters are uniquely engineered to perform both mechanical solids removal and biological filtration in a single, compact vessel. The standout feature of the Endurance series is its ability to backwash automatically using pneumatic (air) pressure. This eliminates the need for complex multi-port valves, noisy air blowers, or the manual labor typically associated with cleaning traditional bead filters.
Perfect for koi ponds, water gardens, and aquaponic systems, the Endurance series is recognized as the lowest water-loss filter in the industry. By concentrating sludge in a specialized chamber, the filter minimizes the amount of water discharged during cleaning cycles, making it an eco-friendly and cost-effective choice. With no internal moving parts and permanent bead media that never needs replacing, the AST Endurance filter is built for decades of reliable, trouble-free service.
Features:
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Automatic Pneumatic Backwash: Uses air to clean the filter media automatically, ensuring the filter operates for extended periods without intervention.
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Blower-Free Design: Operates without the need for expensive, high-maintenance air blowers for the cleaning cycle.
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Superior Water Clarity: Combines efficient solids capturing with a massive surface area for beneficial bacteria to thrive.
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Industry-Leading Efficiency: Boasts the lowest water loss during backwash—up to 95% less water waste than competing filters.
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Low Energy Consumption: Designed with low back-pressure in mind, allowing the use of energy-efficient, low-wattage pumps.
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Permanent Media: Comes pre-filled with AST Enhanced Beads that provide high-performance filtration and never require replacement.
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Simple & Robust: No internal moving parts or complex electronics inside the tank to wear out or fail.
Specifications:
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Technology: Patented PolyGeyser® Pneumatic Backwash
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Media Type: AST Enhanced Beads (Included)
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Backwash Trigger: Air-powered (requires a small linear air pump, sold separately or in kits)
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Application: Ideal for Koi Ponds, Aquaponics, and Research Systems
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Material: Heavy-duty, UV-resistant polyethylene
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Warranty: 1-Year Manufacturer's Warranty
Available Models:
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Endurance 2000: For ponds up to 2,000 gallons | Max Flow: 1,000 - 1,500 GPH
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Endurance 4000: For ponds up to 4,000 gallons | Max Flow: 2,000 - 2,500 GPH
Shipping Information:
- Assembled Per order
- Ships Motor Freight
- Please allow 3-4 weeks for delivery.

Videos
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AST Endurance™ Bead Filter
The AST Endurance™ Filter is an advancement of our patented Po...
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AST Endurance Filter: Revolutionary Automatic PolyGeyser Backwash
Available on Amazon! https://www.amazon.com/dp/B084GZ1J1W?ref=...
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AST Endurance Filter: Water Pumped Configuration, PolyGeyser Technology
Available on Amazon! https://www.amazon.com/dp/B084GZ1J1W?ref=...
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AST Endurance Filter: Gravity Fed, Airlifted System- No water pumps required! PolyGeyser Backwash
Available on Amazon! https://www.amazon.com/dp/B084GZ1J1W?ref=...
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AST Endurance Filter: Auto-Purge Sludge with Air! Cleaner water through PolyGeyser Technology
Available on Amazon! https://www.amazon.com/dp/B084GZ1J1W?ref=...
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AST Endurance 2000: Setting the Auto-Backwash Timing for Easy hands-free Backwash!
Available on Amazon! https://www.amazon.com/dp/B084GZ1J1W?ref=...
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Endurance Filter: When NOT to drain the sludge or How to avoid Bead Loss in Your Endurance filter
Available on Amazon! https://www.amazon.com/dp/B084GZ1J1W?ref=...