The Catchmaster Fruit Fly Trap are effective if the source is located and eliminated and they are used in areas where fruit flies, drain flies, or other flying insects are observed.
The Catchmaster Fruit Fly Trap - #100FF Glueboards will remain good for a length of time depending on where you place them. They would need to be replaced if either the board becomes full with insects, or it becomes too dusty which will coat the glue and it will not be sticky. Typically you would replace every 30 days.
