Has anyone used these metal vents I found on Ebay for venting their controller boxes...
http://www.ebay.com.au/itm/Stainles...var=551469798499&_trksid=p2060353.m1438.l2649
http://www.ebay.com.au/itm/Stainles...var=551469798499&_trksid=p2060353.m1438.l2649