{"product_id":"b0f3p6qzdy","title":"13\" x 3\" Aluminum Supply\/Exhaust Grille for a Round Spiral Duct - Heavy Duty Grill Cover with Adjustable Louver Blades - HVAC Air Return Ventilation Register for Home, Office, Bathroom","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSIZE \u0026amp; COMPATIBILITY – Designed for round spiral ducts or smooth surface round ducts. Insertable neck dimeinsions 12.80\" x 2.17\" with outer dimensions of 13.58\" x 4.10\". Compatible with spiral duct diameters ranging from 6.30\" to 15.74\" (160–400 mm), ensuring a tight and professional fit.\u003c\/li\u003e\n\u003cli\u003eMATERIAL \u0026amp; DURABILITY – Made of galvanized steel sheet with no welded joints, providing long-term resistance to rust, moisture, and heat. Foam edge padding ensures vibration damping and a sealed connection to the duct surface. Built to last even under continuous HVAC operation. Made in EU.\u003c\/li\u003e\n\u003cli\u003eFUNCTIONALITY \u0026amp; UNIQUE FEATURES – Features adjustable louver blades for precise airflow control — easily regulate air direction and volume by rotating the grille. Includes a protective steel mesh that prevents debris entry while maintaining strong airflow. The curved frame structure ensures flush contact with round ducts.\u003c\/li\u003e\n\u003cli\u003eINSTALLATION \u0026amp; USE – Designed for direct spiral duct mounting using the included screws. The integrated ventilation flange guarantees a tight seal and quick setup. No special tools required — the grille can be easily adjusted or removed for maintenance and cleaning.\u003c\/li\u003e\n\u003cli\u003eAPPLICATION \u0026amp; CUSTOMER BENEFIT – Perfect for HVAC systems, industrial ventilation, and residential ducting in homes, offices, and workshops. Suitable for both air supply and exhaust ventilation, offering noise reduction, airflow precision, and a modern, durable finish for exposed duct installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"FarmGrid Technologies","offers":[{"title":"Default Title","offer_id":47147700813963,"sku":"B0F3P6QZDY","price":62.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/2000\/6795\/files\/61T-UJfFtfL._AC_SX679.jpg?v=1780916610","url":"https:\/\/farmgridtechnologies.com\/products\/b0f3p6qzdy","provider":"FarmGrid Technologies","version":"1.0","type":"link"}