The Liberty Pump SumpBox SBX35A is a professional, fully-assembled groundwater protection sump pump system with a 1/3HP sump pump and a 41 gallon-basin. This sumpbox sump pump system features a Liberty Pumps Alarm ALM-2 with a vertical float. It has a max shut-off head of 25', a maximum flow rate of 35 GPM at 10' and can handle 1/4" solids. The Liberty Pump SumpBox SBX35A sump pump system has a discharge of 1-1/2" female NPT and is equipped with a safety overflow feature. The Liberty SBX35A SumpBox sump pump system is designed for new home construction and requires no tools to open. This sumpbox sump pump system has a pump cover securely bolted with stainless steel fasteners and an easy to service float switch, located in holders under the access cover.