Older movie where a man slides down an air vent or chute.

I don’t have much to go on except this one scene.  I believe the man is being chased by cops.  The “slide” is enclosed by a fence and one of the cops is telling him not to go down cause of whats down there.  Monsters of some sort are at the bottom.

I saw this when I was a kid and have tried to find it for many years.  It was in English and I might have seen it on tv, I just don’t remember.

When I first tried finding this movie everyone kept telling me it was Running Man with Arnold, but thats not it.

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