{"product_id":"round-brass-floor-ceiling-or-wall-grates-vent-or-register-cover-with-damper-for-6-hole-7-3-8-oa-dia","title":"Round Brass Floor Ceiling or Wall Grates Vent. or Register Cover With Damper, for 6\" hole, 7-3\/8\" OA dia. (ZM-Q601)","description":"\u003cp style=\"margin:0 0 12px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/5799\/6269\/files\/SpecialShippingHeavy.png?v=1783708297\" alt=\"Special shipping required\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\r\n\t\u003cb\u003e\u003cfont size=\"2\"\u003eZM-Q601\u003c\/font\u003e  Round 6\" Hole Size Brass Grille With Damper; \u003c\/b\u003e\u003cstrong\u003e7 3\/8\u003c\/strong\u003e\u003cb\u003e\" Exterior Diameter\u003c\/b\u003e\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tMade to fit into a 6\" round hole or duct, these grates have an exterior diameter of approximately 1\" greater than their boot size.  The damper is made from finely cast iron.  None better anywhere at any price.\u003c\/p\u003e\r\n\u003cp\u003e\r\n\tYou may experience some resistance when opening and closing the cast iron louvers for the damper.  The friction helps to keep the louvers in a set position to your liking, and withstand normal increases in air pressure caused by higher fan speeds from heating and cooling units.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e","brand":"0","offers":[{"title":"Default Title","offer_id":49995820794093,"sku":"ZM-Q601","price":311.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5799\/6269\/files\/ZM-Q601__Brass_Round_Grille_With_Damper_6_inch_Boot_Size_7_inch_Overall_Diameter.jpg?v=1779311046","url":"https:\/\/jn2vnf-0i.myshopify.com\/products\/round-brass-floor-ceiling-or-wall-grates-vent-or-register-cover-with-damper-for-6-hole-7-3-8-oa-dia","provider":"Vintage Hardware \u0026 Lighting","version":"1.0","type":"link"}