Navigation for Kitchens Overview How To & DIY Video Budget Ideas Ideas & Inspiration Planning Installation Maintenance Renovation ReviewsWhat Is It? | Blue Teardrop Ask This Old House host Kevin O’Connor shows a blue plastic teardrop, but What Is It? by Kevin O'Connor, Host ResourcesKevin O’Connor demonstrated the Every Drop Water Filter, a portable water filter manufactured by Whirlpool.Next Up In Kitchens How To Clean a Glass Stovetop All About Pro-Style Kitchen Ranges How To Clean Stove Burners How To Paint Laminate Countertops: A DIY Guide How to Install a Kitchen Sink How To Install a Vented Microwave