level 303What does Ferritin level 303 mean? Your Ferritin level of 303 is a Normal Ferritin level. Normal Ferritin levels may indicate underlying health problems. The normal range is typically betweenLevel 303 is one of the only backrooms levels that experiences a daynht cycle, it is divided in three (3) sections Day: In the daytime, this level is the safest from entities, entities can still