First off, some people might not even know what lootfilter is. lootfilter is an addon for World of Warcraft that deletes looted items may configure it to rub out. This is legal to use and will not get you banned if you would like to in order to for regular play/farming. Appropriate use for lootfilter would be to make sure you have plenty of bagspace for those you in order to farm, not the grey ite