Navigation for Kitchens Overview How To & DIY Video Budget Ideas Ideas & Inspiration Planning Installation Maintenance Renovation ReviewsWhat Is It? | Blue TeardropAsk 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 An 1890s Victorian Kitchen Reaches New Heights How to Eliminate Kitchen Sink Odors How to Install a Trash Pull Out 8 Best Garbage Disposals (2025 Guide) Timeless Kitchen Cabinet Colors How to Replace a Smelly Dishwasher Drain Hose