Replacement glue boards for the Gardner WS95 (EL 57) Wall Sconce fly light. Each board is white and measures 5′ x 17′. Pack of 24. Gardner Wall Sconce Fly Light Bulbs should be replaced every 6 months to be most effective. Glue boards should be changed every 30-60 days. Glue boards may need to be changed more often in high infestation areas.