Flow-Rite’s PowerStream Aerator Thru-Hull and Guard with Barb End is an ideal solution for keeping your livewell and baitwell oxygenated and your catches alive. This thru-hull fitting comes with a unique guard design to keep debris and marine life from entering and clogging the system. The barb end is compatible with a range of tubing and ensures a secure, leak-free connection. With a built-in aerator, this thru-hull fitting helps circulate and oxygenate the water in your livewell. Made of durable, corrosion-resistant materials, this PowerStream Aerator Thru-Hull and Guard is built to last and perform in harsh marine environments.