The washroom contains two sinks and couple of toilets.
A cluster of bats will appear in this room. A first aid spray is placed between the two sinks. There is a broken toilet that contains handgun ammunition. A duralumin case can also be found at the back of the washroom, though it requires a lockpick to unlock.
Sinks (After taking the F. Aid Spray)
It's all dried up.
The destroyed toilet (After taking the handgun ammo)
The toilet is made out of marble.
Pipes at the back
The waterway piping is broken.
Entry from the hall.
This destroyed toilet can be examined to find handgun ammo.