Mogul Conduit Body 4″, Aluminum, Raintight, NPT Threads
https://nsiindustries.com/product/mogul-conduit-body-4-aluminum-raintight-npt-threads/
Mogul conduit bodies allow access to the interior of a rigid / IMC conduit system for inspection, pulling and maintenance. A split diagonal cover and increased body size provides ample room for bending large and heavy conductors at a 90 degree angle.