Glass screen bowls are amazing on so many levels. Eliminate the need for questionable metal screens and minimize waste and ash falling into your waterpipe. There's plenty of room to pack dry herbs in this deep-dish bowl, and when it's time to turn those herbs to smoke you have an easy-to-grasp colored glass handle to assist in clearing the chamber of your bong. Whether your female jointed waterpipe is a 10mm, 14mm, or 18mm size there's a male jointed screen bowl to match in a variety of color accents!