. . "This set contains three high quality, long lasting roof guards.Features Set of three stainless steel roof VentGuards Each guard has a 7 in. x 7 in. base and 9 in. height Constructed of heavy-duty 18 gauge expanded stainless steel mesh Prevents birds, animals, and other pests from entering through roof vents Many vents and/or roof guards are made of plastic or have window screening, which can be ch" . .