fixture is supposed to be vapour proof
The way we build has a greater impact on our comfort, energy consumption and IAQ than any HVAC system we install.
Now THAT will wake you up in the morning.
The only light fixture I know of that is approved for a shower is a can lite with a gasketed lens. That exposed light is definitely NOT approved
That is correct, Halo makes one, you need a shower trim and a 40W bulb. You can get them at the big orange box
looks like your missing the thread on jelly jar, hard to tell look inside if there is threads you should be able to pick up the glass (with a free fixture in the box),
At as the other guy put it the big orange box