The AST Endurance™ filter is an advancement of our patented PolyGeyser® technology with the addition of many new enhancements and increased performance features. Shop from our variety of solutions below.

Shop Standalone Filters

Our standalone filter units are perfect for replacing an existing filtration system.

Choose from our smaller Endurance 2000 units or larger Endurance 4000 units. Each unit comes with a filter pre-filled with enhanced bead media, an adjustable flowmeter, and associated air fittings, check valves, tubing and brackets.

SHOP Base Kits

Our Base Kits have everything you need for a simple, reliable filtration system.

Choose from our smaller Endurance 2000 units or larger Endurance 4000 units. Each unit comes with a filter pre-filled with enhanced bead media, an adjustable flowmeter, and associated air fittings, check valves, tubing and brackets. Plus, an air pump and pressure gauge.

SHOP Plug & Play Systems

Are you looking for a complete system that is ready to use out of the box?

These prefabricated, turnkey filtration systems require very little setup time. Choose from our smaller Endurance 2000 units or larger Endurance 4000 units. Each unit comes with a filter pre-filled with enhanced bead media, an adjustable flowmeter, air pump and pressure gauge, and associated air fittings, check valves, tubing and brackets. Plus, a UV sterilizer, water pump, and mounting skid with all components professionally pre-plumbed.