Bar Maid Fly-Bye Floor Drain Trap Seal for 2" Drain Pipes

Patented one-way valve design allows fluids to flow freely downward while preventing any backflow. Pesticide-free and VOC-free, this solution makes drains virtually maintenance free while effectively stopping fruit flies and other insects from coming up through the drain. Acts as a vapor barrier to contain bacteria, odors, and sewer gases, helping improve indoor air quality. Eliminates the need for primers or fresh water.