"This Tjernlund Fireplace Chimney Fan solves fireplace lighting, draft and smoke problems. Adjust the draft to the desired level with the wall-mount speed control. Mounting Hardware Included Yes, for tile-lined and metal chimneys, Adjustable Speed control w/on and off switch, Mounting Type Clamp, Pieces qty. 1, Color Satin Black, Material Type High-temp powder-coated galvanized steel, Fuel Type Wood burning, Product Style Chimney fans. Works on fireplaces with hearth face openings up to 14 feet Clamshell design swings clear of chimney for easy access and cleaning Stainless steel material handling impeller repels soot Built-in cooling fan protects 1/2 HP sealed ball bearing motor Includes mounting hardware for tile-lined and metal chimneys Lightweight base attaches to liners from 6in. x 6in. to 10in. x 14in. Fits metal chimneys from 8in. inner diameter to 12in. outer diameter High-temp powder-coated galvanized steel housing"