PM90 is a storage and equipped wall system with a functionality and a modularity specially made for filing. PM90 is totally integrated with the Fire system with which a wide range of creative compositions can be reached. Basically the equipped wall is made of wooden shelves and load bearing structure with several finishes. The shelves can be closed by solid or glazed leaves. Metallic shelves, specially designed for filing, can be inserted into the load bearing side by means of self-locking and relocatable metal support.