Replacement glue boards for the Gardner WS85, WS95 and GT200 (EL 60B) Wall Sconce fly light. Each board isblack to hide trapped inescts and measures 4′ x 17′. Pack of 10. Glue boards should be changed every 30-60 days. Glue boards may need to be changed more often in high infestation areas. Gardner Wall Sconce Fly Light Bulbs should be replaced every 6 months to be most effective.