Thanx for your reply,i have read that these machines are tested and approved by standards set out by govt standards,i can post this article if anyone wants to see it,i also been reading that other stuff that goes into the water from your body like pesticides and other chemicials are invisible in the water,i never had any metal flecks in my water ,but there was a lot of sediment and a fat like mucus looking substance floating ,gross eh?...Russ...the air ion room cleaners remove dust and dirt from the air,so wa [color:"blue"] [/color] y cant the machine remove imprities from water,or our blood...it kinda makes sense...dont you think so?...BTW...those ion room cleaners work at dropping the dust to the floor ...you still have to clean it from the floor and furniture...and air filter works more effieciently ...BUT ion clenaers do drop the dirt fast ,straight to the floor....something to thing about!