The Bottom Drain comes with an anti-vortex drain cover for bottom sweeping action.
These 4 inch bottom drains can be used on liner ponds or on concrete ponds.
A 4-inch intake allows for larger pumps to grab water from a larger area reducing pump pressure. Should be used with 4" PVC.
This 4" bottom drain comes with an anti-vortex lid, forcing the water to enter from along the ponds bottom. The 4" bottom drains center stem can be cut for a perfect fit, making your 4 inch bottom drain fish safe. SAE standard pipe connection, making pipe hook up a snap. Offset suction port, creates a swirl action inside the 4" bottom drain to help remove debris. Comes with stainless steel screws and mounting flange for easy liner installation.