This Attwood Sahara S750 automatic bilge pump is a reliable and essential addition to your boat's plumbing system. With a powerful and efficient motor, this pump is designed to keep your boat's bilge clean and free of water damage. The pump is made by Attwood, a trusted brand in the marine industry, and has a model number of 4507. This bilge pump is perfect for those who want to keep their boat's plumbing system clean and well-maintained. It comes with a range of features, including an automatic shut-off valve, a priming pump, and a manually operated shut-off valve. The pump is easy to install and use, and it is ideal for boats of all sizes.