Formula 409 Stone and Steel Cleaner Spray cleans and shines marble, granite and stainless steel throughout your home. This stone and steel spray cleaner brings out the beauty and luster in stone and steel. Use it to clean and give a streak free shine to stainless steel, marble, granite and other natural stone. With no harmful ammonia, this pH balanced, non waxy, non abrasive formula will keep surfaces looking great for years to come. This stone and steel cleaner spray now cleans 40% more with each spray, based on lab testing vs. previous offering. And with this bottle's Smart Tube technology you are guaranteed to spray every drop. Formula 409 Stone and Steel Cleaner is an effective and convenient solution for your stone and steel cleaning needs.