Quickly and easily installed in the floor drain, FLY-BYE 4″ Floor Drain Trap Seal is a patented one-way valve that allows liquid and solids to drain, then closes to prevent migration of odors, harmful and potentially flammable gases, insects and liquid backflow up through the floor drain grate.

The reversing airflow of unprotected floor drains can also pose a health hazard, allowing the aerosolization of pathogens and migration of not only foul odors, but also harmful and potentially flammable gases out of the drain. The FLY-BYE Floor Drain Trap Seal acts as a vapor barrier to help prevent aerosolized pathogens and gases such as methane, hydrogen sulfide and radon from infiltrating the living or workspace, improving indoor air quality.

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Key Features

• Installs quickly and easily in minutes
• For residential & commercial use
• Currently used in thousands of independent & chain restaurants, hotels, hospitals & stadiums
• Makes drains virtually maintenance free
• Stops fruit flies & cockroaches from escaping
• Keeps bacteria & viruses, nasty smells & gases in the drain
• Stops the need for adding primers & fresh water
• Does not impede flow rate
• Patented 3-part design allows fluid to flow down, but nothing to come back up