The Large Extended 2" Return Fitting fits either 2" threads or 1-1/2" slip connections and includes a 1-1/2" thread in the front face. Its extended design accommodates fiberglass depth variations. The fitting comes complete with a locking nut for fiberglass installations, a removable eyeball and nut, and is compatible with the optional Angle Wall Adapter (p/n AWAxxx). Manufactured from UV-resistant ABS material.