D davedawe New Member Mar 31, 2014 #1 Mar 31, 2014 #1 Normal pressure can not remove filter cover,is there a locking key for this cover? Thanks
Scott O'Kashan Super Moderator Apr 4, 2014 #2 Apr 4, 2014 #2 There should not be any locking mechanism for that. How did you make out with it? Update?