{"product_id":"builders-best-air-duct-uncompressed-thermofin-4-x-8-t1104","title":"Builders Best Thermofin® 4\" x 8' Uncompressed Semi-Rigid Aluminum Air Duct – T1104","description":"\u003cp\u003eThe Builders Best T1104 Thermofin® Air Duct is a 4-inch diameter by 8-foot long uncompressed semi-rigid aluminum duct designed for HVAC supply, return, and exhaust air applications. Its Thermofin® corrugated aluminum construction provides excellent flexibility while maintaining airflow, making it ideal for installations requiring smooth bends with minimal restriction.\u003c\/p\u003e\n\u003cp\u003eManufactured from durable aluminum alloy, the duct features a factory-crimped end for quick, secure connections and ships in its full 8-foot length without compression. The Thermofin® design minimizes flattening on bends, helping maintain consistent airflow and system efficiency.\u003c\/p\u003e\n\u003cp\u003eThis UL 181 Class 0 listed duct meets NFPA 90A and NFPA 90B requirements and is suitable for residential and light commercial HVAC systems where dependable airflow and long-lasting performance are required.\u003c\/p\u003e\n","brand":"Imperial AC Supply","offers":[{"title":"Default Title","offer_id":44701812326442,"sku":"294FUEL","price":10.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/0356\/4074\/files\/226937343.webp?v=1787024879","url":"https:\/\/imperialacsupply.com\/products\/builders-best-air-duct-uncompressed-thermofin-4-x-8-t1104","provider":"Imperial AC Supply","version":"1.0","type":"link"}