STAINLESS OR ALUMINUM SERVICE PANEL
Access panels are imperious to any rust or corrosion problems around your skimmer and return area of your swimming pool wall.
Panel has a 100% warranty from seam separation and will provide a flat surface for your skimmer and return.
Since you have a flat area, water leakage is reduced or eliminated from either water fitting!
Some panels will be stainless in color, some in aluminum color and some will be painted or patterned to match your swimming pool wall.