For sale is the NemSafe Mp10/Mp40 replacement cages. These are not go over guards and replace the stock removable cage! (See Pics) They are tested in my own reef tank and are made from 100% reef safe PETG plastic! They provide a cleaner look then a go over guard and the added safety of one! No more daily cleaning of quick to clog foam guards! The guards are thick and durable $30 each SHIPPING INCLUDED Max Hole Size: 6mm x 2mm Limited quantities are available but back order is possible if you are willing to wait for the order to be filled.