The GT-315 is an open, wall-mounted trap designed for enhanced attraction and use in confined spaces. The 2.37 inch depth of the trap allows its use in narrow hallways or on kitchen walls where crowding is a concern. The easy access door allows simple replacement of the UV insect lamps. The large adhesive board can be changed without opening the front grill. Position trap 4\' to 6\' above floor for best results.