Perkins Gas Fireplace Glass Door Window Cleaner - 8 Fluid Ounce REMOVES SOOT - Removes unwanted soot and deposits on fireplace windows. GETS THE WHITE OFF - Removes white mineral deposits on gas fireplace doors. SCRATCH FREE - Cleans without scratching or micro-pitting. FOR GLASS-CERAMIC SURFACES - Also cleans smooth-top ranges and other glass-ceramic surfaces. EFFECTIVE - Remove white film and soot buildup from gas fireplace and wood stove windows.