54 JUNE 2018 • WORLD AQUACULTURE • WWW.WAS.ORG Introducing the new Propeller Bead® PolyGeyser® Bubble Bead® Superior Solids Capture Excellent Bio ltration Low Maintenance Easily Automated From the makers of BUBBLE BEAD® ™ AST ENDURANCE™ Series www.ASTfilters.com Call 504.837.5575 108 Industrial Avenue, New Orleans, LA 70121 Water conserving technology • Auto-pnematic backwash & sludge removal Our new advanced Polygeyser® line is auto-backwashing; purging sludge without manual intervention. These filters are designed for long lasting, hands-off operation without using expensive controllers. Configurable for a water pump, or airlift operation for energy savings. Air driven backwash limits the water loss exclusively to the removal of concentrated sludge. Find out more, today! AQUACULTURE SYSTEMS TECHNOLOGIES
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