PT 221L Residual Aerosol is not labeled for glass and would likely leave a visible residue behind. Any oversprayed areas should be cleaned with soap/water or window cleaner to remove unwanted residue.
PT 221L Residual Aerosol should be used as directed on the manufacturer's product label, which states to avoid contaminating food, food utensils or food preparation areas when applying. All food items, dishes and utensils should first be removed before applying this product in kitchen pantries or cabinets.