Hydro-Logic 29015 Pressure Booster Pump-Merlin-GP-w/ 115 VAC cord and 1/2-Inch QC fittings Extremely effective water filtration for pre-treating water Removes chloramines, iron, hydrogen sulphide and other harmful heavy metals Pre-treatment helps ensure an unclogged water filtration system Used to boost psi for the Merlin GP connected to low pressure systems The 29015 is Efficient and Quiet Comes with a 120-Volt Power Cord and 1/2-Inch Quick Connect Fittings