AquaFX Booster Pumps are becoming the number one choice for low pressure applications. Whether its for aquarists with low water pressure situations, or for any end user wishing to optimize the overall efficiency of their RO system. Due to the hydraulics of this pump, it can be mounted in any position and should offer the greatest pressure increase for any pump its size on the market. This pump can handle upward of 300 Gallons per day with a positive line pressure feed to the pump of at least 20psi. With a name you trust like AquaFX , you can rest assured this pump was designed for your tank (Salt and Fresh water alike!).