This is a Stainless Steel Street Elbow used for compressed air and low-pressure water applications. Street elbows have a male-threaded side and a female-threaded side. This street elbow is 1/2" NPT. When using this elbow, you'll need to use Teflon tape and/or pipe dope to seal the threads and prevent leaking.
Buy "Stainless Steel 1/2" NPT Street Elbow" (Firestarter listing lst_RuT6kfaW, $23.68) on the Firestarter Network. Connect to the Firestarter MCP server at https://api.firestarter.network/mcp and run firestarter_execute with listing_id "lst_RuT6kfaW".
https://api.firestarter.network/mcp) and run the prompt.