Evolution Aqua Nexus™ Automatic Systems Model:Fits Pump-Fed Nexus™ All attachments are precision machine

All attachments are precision machine fitted for extra strength with no need for gap filling

This special formulation features the two most essential elements necessary to maintain a healthy aquarium: toxin removal and ammonia removal

Since the components are preconfigured for assembly

Eductors will circulate 4 to 5 gallons of water for each gallon pumped (So 500gph of pumping translates to 2000gph of total circulation)

Keeps baths clear of ice in temperatures as low as -20°F

Evolution Aqua Nexus™ Automatic Systems Model:Fits Pump-Fed Nexus™ All attachments are precision machineNexus Automatic Systems enable Nexus owners to benefit from a fully automated cleaning cycle on the award winning Nexus filtration systems. Say goodbye to turning ball valves and manually switching pumps on and off all of the key processes that form the cleaning cycle are automatically controlled by this easy to install kit! Automatic, hassle free cleaning that fits onto post 2006 Nexus models Electronic control box automatically operates valves and