Features 1、Ideal Heating: This 4 blade fan can better distribute and circulate the heat generated by the stove, building you a comfy room full of warmth. 2、Saving Energy: Powered by heat, the stove fan can auto adjust the speed in accordance with the temperature, no battery or electricity required. 3、Reliable Work: Suits perfectly for coal, pellet or wood burning fireplaces, the fan blade with low noise ensures stable working performance. 4、Good Material: Adopting premium aluminium alloy material with a sturdy structure, not easy to deform, and very durable for long term using. 5、The Using Tip: The fan blade is ideal for 60℃‑370℃, that is, 140℉‑680℉, and please remove the fan blade when the temp is higher than 370℃. Specification Item Type: Stove Fan Blade Material: Aluminium Alloy Blade Specification: 4 Blades Diameter: Approx. 180mm / 7.09in (2% Error) Package List 1 x Stove Fan Blade 1 x Hex Wrench 2 x Screw