Broan-NuTone Fan/Light Housing Case
with Power/wire Harness Plugs

"J Housing" Type
Please ensure your own compatibility based off pictures.  I believe this was from a Nutone 763N.

It seems to also match the Broan Models 2678F;2679F;2680F;FL2679F;FL2679FT;FL2680F;FL2680FT

The measurements of the housing are 8.5"L x 8.25"W x 5.75" depth

There are two drill holes which won't affect functioning. Crack in plastic exhaust which was taped