4" Bottom Drains $59.95 + shipping
A 4" intake allows for larger pumps to grab water from a larger area reducing pump pressure. Should be used with 4" PVC. Comes with an anti-vortex lid, forcing the water to enter from along the ponds bottom. Center stem that can be cut for a perfect fit, making your bottom drain fish safe. SAE standard pipe connection, making pipe hook up a snap. Offset suction port, creates a swirl action inside the drain to help remove debris. Mounting ring, for easy liner installation.