If the whirlpool fridge doesn't need a filter in there for water to come out of the dispenser, I wonder what it is in there for. You wouldn't think it would work if it wasn't installed.
I have the Fridgidare fridge in mine and it wont't work unless theres a filter in it. Same goes for my Fridgidare in my house. Unless it's a whirlpool thing. Which can be a good idea.
Anyway, I found my bypass filter off Amazon. I kinda stumbled on it one day.