Clauses question.

[Unregistered]

For non-restrictive clauses you have the following example:
"The intermission, which lasts for fifteen minutes, comes halfway through the film."

Why can't I use "... that lasts for fifteen minutes..."?

I was under the impression that 'that' can be used when referencing objects (or anything other than people), and since an intermission is not a person, 'that' could be used as well as 'which'. Where am I going wrong here?

Thanks.

[bhaisahab]

You can use 'that'.

[ccvortex]

If there's confusion as to which clause to use, could I just nix the clause altogether and format it like this:
"The intermission, lasting fifteen minutes, comes halfway through the film."?

[bhaisahab]

If there's confusion as to which clause to use, could I just nix the clause altogether and format it like this:
"The intermission, lasting fifteen minutes, comes halfway through the film."?

Yes you could.

[ccvortex]

OK, thanks.