All the Syncra Silent line can be used with the Wet & Dry application, thanks to a thermal protection that avoids overheating. Syncra Silent Pumps- The Syncra Silent is new range of energy efficient pumps that is absolutely silent. Don't be fooled - these pumps are powerful and versatile. Ideal for fresh and saltwater aquariums, protein skimmers, indoor fountains, water-cooling and all submersible and in-line applications which require high performance and total silence.