The Pearlcomb® diffuser is a diffused air system manufactured by Evoqua. This diffuser is made in an innovative technology to ensure stable oxygen transfer efficiency from a fine bubble diffuser in a minimal cleaning requirement. The framework of the tube is made up of minute resin spheres that are fused together under pressure. This in turn makes this diffuser cater uniformly of porous material that lends itself for utilization as an ideal diffuser media. Furthermore, its lightweight framework can be attached easily in different header manifold that has 3/4” threaded bosses.