Check the listing for details. 300 GPH Danner Pondmaster Hydroponic DeWatering Sump or Pool Cover Pump - 40460. Condition: New. Listed at 69.99 USD. DANNER SUPREME HYDROPONIC 300 GPH DEWATERING SUMP PUMP Supreme Hydroponics De-Watering Sump PumpsWhat is a Sump Pump? A sump pump is a pump that is used to remove water from a sump pit. A sump pit is a hole that is dug into the ground for water collection. The sump pit will collect water that is somewhere it shouldn't be, for example in the basement of a home, and the sump pump will remove the water from the pit. Model: 40460 25' Power Cord Completely Submersible, Oil-Free Pumps down to 1/8" Easily Attaches to Garden Hose Outlet: ⅗" GHT Watts: 18 Max Amps: 0.2A Max Shut off Height: 6' Max Flow Rate: 300 GPH SHIPPING - Most items ship the same or next day. Occasionally orders will take longer depending upon the item or which warehouse it will need to ship from. Thank you for your interest and we look forward to assisting you further. Graystone Creations