US Patent 10053882 Pool return fitting assembly

A pool return fitting assembly with a pool return body, a pool return cover with an opening aligned with the pool return body's opening. The outer surface of the pool return cover may include an uneven surface bordering the opening with barriers projecting out from the pool return cover away from the pool return body, the barriers separated by channels in fluid communication with the opening through the pool return cover. A fin is positioned within the opening of the pool return cover and tapers towards the interior surface of the pool return body as the fin extends farther away from the pool return cover.