Full Crystal Refill Kit – 1 lb Crystal Powder Exterior Window Cleaner for Glass and Screens, Equivalent to 4 oz Bags Making Up to 640 fl oz Each, Cleans Up to 80 Windows

Full Crystal Refill Kit – 1 lb Crystal Powder Exterior Window Cleaner for Glass and Screens, Equivalent to 4 oz Bags Making Up to 640 fl oz Each, Cleans Up to 80 Windows