PVC plastic pipe fitting vector icon. 90 degree elbow adapter with slip socket opening 1 end and female NPT thread. Part for pipeline system, plumbing, sewage, drainage, waste, vent and water supply.

These days, most drains are made with PVC or ABS plastic. Plastic drain fittings are usually glued, but the ones you might need to remove temporarily, like cleanout plugs, are threaded.