{"product_id":"4-inch-to-3-inch-duct-reducer-bathroom-fan-duct-adapter-connector","title":"4 Inch to 3 Inch Duct Reducer, Bathroom Fan Duct Adapter Connector","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e[Smooth Size Transition] This duct fitting converts 4 inch duct opening to 3 inch port, ideal for bathroom exhaust fan and daily ventilation applications. It stabilizes airflow and effectively reduces air gap leakage, perfect for household and general HVAC ventilation use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e[Wide Range Compatibility] Compatible with most common bathroom exhaust fans and household ventilation systems as well as standard duct pipes. Fits 4 inch fan outlets and connects smoothly with 3 inch duct tubing, suitable for new installation and part replacement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e[Effortless Installation] Simply mount the reducer onto 4 inch fan outlet and connect with 3 inch ductwork for quick setup. Easy to secure without complex professional tools, helping save installation time.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amicolight","offers":[{"title":"1","offer_id":52921586155832,"sku":"A33SP01AM0101010","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5532\/4728\/files\/0e9c60c3bb56f83f222a58b2e50fe043.png?v=1788851134","url":"https:\/\/amicolight.com\/products\/4-inch-to-3-inch-duct-reducer-bathroom-fan-duct-adapter-connector","provider":"Amicolight","version":"1.0","type":"link"}