SILENT - SMART - EASY 20 Flow Settings - Control your pump speed with absolute precision 4 Mode Settings - Constant, pulse, gyre and feed modes Detachable Controller - Waterproof union connection and adhesives for cabinet installation Integrated Memory - Keeps programming even during power outages. Feed Mode - Shuts down for 15, 30, 45 or 60 minutes. Submersible - Perfect as a return, closed loop, or reactor/filter pump. Super Quiet Operation - Literally, whisper quiet at less than 25 decibels
