Windex Outdoor Multi-Surface Concentrated CleanerWindex® Outdoor Multi-Surface Concentrated Cleaner. Great for outdoor touchups. SC Johnson. A family company. Great for outdoor touch-ups. Cleans patio furniture, siding and windows. Just attach to hose and spray! Questions Comments www.windexglasscleaner.com or call 800-558-5252 or write Helen Johnson. All rights reserved. ©2010 S. C. Johnson & Son, Inc.