no worries, I really liked the brass one thought they would survive well in a busy house, but based on my wife's reaction to them think I'll be getting the plaster ones :roll:
well to dredge this up yet again! forgive me but i stumbled on this thread while looking for an alternative to the plastic vent I've got at the moment.
so far I've found these...
http://www.wellsreclamation.com/products/1278/brass-air-vent-8-x-4...