Type LB Raintight Conduit Body with Cover & Gasket 1″, Aluminum
https://nsiindustries.com/product/type-lb-raintight-conduit-body-with-cover-gasket-1-aluminum/
Type LB conduit bodies allow access to the interior of a conduit system for inspection, pulling and maintenance. Compression connectors create a raintight seal when securing EMT without the need for threading connectors into the body entries.