The BriskHeat® XtremeFLEX BIH Series heavy insulated heat tape is constructed of a knitted and double-braided fiberglass outer sheath cover. It has power leads on the same end and includes high-temperature tie-downs for easy installation. This tape provides exceptional flexibility and durability with rapid thermal response and is suitable for electrically conductive surfaces. A A temperature controller is required (sold separately). Perfect for a wide range of applications including heating laboratory apparatus, gas tubing, temporary heat, valves and more. BIH Series heavy insulated heat tape can tolerate a maximum exposure temperature of 900°F (482°C). The power density is 8.6watts/sq in (0.013watts/sq mm). Includes 24in (610mm) power leads with separable standard 2-prong power plug (NEMA 1-15). Requires Temperature Controller (Sold Separately). Material: Fiberglass, Knitted And Double-Braided. Maximum Exposure Temperature: 900°F (482°C). Power Density: 8.6w/sq in (0.013w/sq mm). Width: 2.5in (64mm). Length: 48in (1220mm). Total Watts: 627. Voltage: 120V. BriskHeat #: BIH251040L.