Ecotech Marine Vortech Propeller Pumps & Acces.

*Long Pulse Mode allows for wave pulse timings of between 2 and 60 seconds
*No Heat Transfer - No Heat added to the water
*New Night Mode one of the most sought after enhancements - enables you to set your pump to operate for 14 hours in whichever mode you select for the day and go back to Night Mode for 10 hours.
*Feed Mode has been slowed from 1000gph to 500gph to make it easier than ever for you to spot feed corals and slow moving fish in your tank with the push of a button.