What are the harmful effects from smoking weed through a copper filter?

What are the harmful effects from smoking weed through a copper filter?Are the any harmful effects(more so than comes along with smoking marijuana itself) from smoking out of a copper filter-purchased at smoke shop- while using a bong?

Thanks.

Raikyu
Probably just the same effects as Marijuana smoking itself has, unless it's dirty or used then it will have many other minor risks.

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