Ideal for exhausting bathroom and kitchen fans. Features include a frost free damper system, flush mount design and leak proof collar to duct connection to prevent moist air backdraft. Front facing can also be painted to match your soffit color. Fits 4”, 5” and 6” ducts and has an outer grill and air pressure activated flap with stainless steel spring to help prevent pests from entering. This item cannot be shipped to APO/FPO addresses. Please accept our apologies

Made from heavy gauge aluminum with varnish coating; mesh is fine enough to be an effective filter and strong enough to withstand attack from birds, squirrels and other would be intruders. 100' length. Wdth In=6 This item cannot be shipped to APO/FPO addresses. Please accept our apologies