The Hayward SP1022CBLK threaded plug is designed for compatible plumbing and fitting applications and features a 1-1/2 inch threaded format with integrated O-ring sealing and a black finish. A plug like this is useful because it helps close off an opening while adding the benefit of an O-ring for improved sealing at the connection point.Plugs with O-rings can be especially practical where a tighter seal is preferred and repeated installation or removal may occur during service. The black finish can also help match the original appearance in visible installations. This Hayward model is especially useful when a compatible 1-1/2 inch threaded plug with O-ring is needed to restore both function and fit.For compatible plumbing and fitting repairs, this Hayward threaded plug is a practical replacement when the original black O-ring style plug needs renewal. Hayward threaded plug 1-1/2 inch size Integrated O-ring for improved sealing Black finish Useful for serviceable threaded closure applications