AQUACULTURE & FISH HATCHERY FILTER SYSTEMS

Filters for recirculating aquaculture systems. Reliable clarification and biofiltration in a single, easy-to-use setup.

AQUAPONIC FILTER SYSTEMS

Looking to grow plants and fish? Aquaponic filters and systems make keeping the fish easier, leaving you free to focus on the plants.

AQUARIUM & ZOO POND FILTER SYSTEMS

Large volume, high flow systems for animal ponds with high solids. Low maintenance sand filtration alternative that resists caking and channeling.

KOI Filtration Systems & Home Pond Systems

Want pristine water quality? Try our bead filter with a UV sterilizer. AST filters help maintain stable water quality by removing solids and promoting nitrifying bacteria. Automated backwash is available.

Wastewater & Remediation Systems

Reliable solids removal and biofiltration with very low water loss. Our auto-pneumatic backwashing filters recycle their own backwash water while concentrating the sludge.

Education & Research SYSTEMS

Need an easy to use, reliable system? AST has tested systems for you to choose from or you can customize a system for your application.

LIVE BAIT & SEAFOOD HOLDING SYSTEMS

Holding live animals for fresh seafood or bait? Our robust filters can accommodate your business volume. Let us know what you are keeping, and we can size the tanks, filters, and necessary equipment for you.

Lobster Holding Systems & Filters

Whether you are a lobster retailer or large-scale distribution center, our recirculating filter systems will improve water quality, help reduce mortality, & reduce water chilling costs.