Like the Romans used to drink from lead cups. Something like that.
(it appears that the moderator is removing any replies with which he disagrees. It might be a piefed issue. But all the removed replies are top level and upopular. Stranger coincidences have happened I suppose.)
$8k if you pay someone to do it. <$300 if you do it yourself. I’ve done it twice, once for bathroom exhaust and once for the stove