{"product_id":"air-vent-4-3-in-h-x-14-in-w-x-16-8-in-l-x-7-5-in-d-metallic-aluminum-steel-roof-vent","title":"Air Vent 4.3 in. H X 14 in. W X 16.8 in. L X 7.5 in. D Metallic Aluminum\/Steel Roof Vent","description":"\u003cdiv\u003eDurable by design and built for dependable attic ventilation, this Air Vent roof vent combines a rugged metallic finish with thoughtful airflow features. Crafted from a resilient aluminum\/steel blend, it stands up to wind, rain, and sun while maintaining a clean, low-profile silhouette on your roof. Sized to fit a variety of installations, the vent measures 16.8 inches long, 14 inches wide, and 4.3 inches high, with a 7.5-inch opening. The interior louver helps streamline airflow and reduce the intrusion of wind-driven rain, so you get steady ventilation without sacrificing weather protection. With a Net Free Area (NFA) of 40 square inches and a total vented area of 94 square inches, it delivers meaningful attic ventilation to help reduce humidity, minimize heat buildup, and support a healthier roof environment. Key points that set this vent apart:\n- Rugged metallic finish in a square profile for a modern, durable roof penetration\n- Aluminum\/steel construction for strength with a lighter footprint\n- Interior louvered design to optimize airflow while limiting weather intrusion\n- Roof-vent type with suitability for pitched roofs in a 3\/12 to 12\/12 range\n- Opening dimension of 7.5 inches and footprint of 16.8\" L x 14\" W x 4.3\" H\n- Net Free Area: 40 in²; Area Vented: 94 in² for noticeable airflow improvements\n- Finish: Metallic; Screen: Not included; Wildlife Guard: Not included Who this is ideal for:\n- Homeowners retrofitting attic ventilation on metal or shingled roofs\n- Builders and remodelers seeking a durable, long-lasting roof vent with solid airflow characteristics\n- Sheds, garages, or small outbuildings where a robust vent is needed but minimal roof intrusion is preferred Why it matters:\n- Effective attic ventilation helps regulate humidity, reduce condensation, and lower attic temperatures, which can extend roof life and improve overall indoor comfort.\n- The combination of high-quality materials and a well-considered interior louver design means you get reliable performance across a range of weather conditions without bulky formations on the roof line. installation and use tips:\n- Ensure the cutout matches the vent’s opening and footprint for a clean, weather-tight seal.\n- Use a suitable exterior-grade sealant around the mounting perimeter to enhance weatherproofing.\n- Because this model ships without a screen or wildlife guard, consider an appropriate add-on if insect exclusion or small critter protection is a priority. Specs at a glance:\n- Brand: Air Vent\n- Finish\/Color: Metallic\n- Vent Type: Roof\n- Shape: Square\n- Length x Width x Height: 16.8\" L x 14\" W x 4.3\" H\n- Depth: 7.5\"\n- Opening Dimension: 7.5\"\n- Net Free Area (NFA): 40 in²\n- Area Vented: 94 in²\n- Pitch range: 3\/12–12\/12\n- Screen Included: No\n- Wildlife Guard: No\n- Interior Louver: Yes\n- Material: Aluminum\/Steel\n- Use: Attic\/roof ventilation for residential and light commercial applications This Air Vent is a practical, no-nonsense solution for expanding your building’s ventilation capacity with a durable, metal roof vent that keeps air moving and keeps the elements at bay.\u003c\/div\u003e","brand":"Air Vent","offers":[{"title":"Default Title","offer_id":52218361708818,"sku":"56841","price":23.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/56841_A.eps_High.jpg?v=1777077149","url":"https:\/\/nationalhardwaregroup.com\/products\/air-vent-4-3-in-h-x-14-in-w-x-16-8-in-l-x-7-5-in-d-metallic-aluminum-steel-roof-vent","provider":"National Hardware Group","version":"1.0","type":"link"}