Trap Seal Insert -Waterless Trap Seal
JOSAM 88240 Series Trap Seal Insert's four flexible silicone sealing ribs ensure easy installation into strainers and drain openings that have variations in size. The Trap Seal Insert will open to allow drainage and close when there is no water flow.
For use in the outlet connections of floor drain bodies, or the inside of floor drain strainers to seal the opening to prevent odors, sewer gases, and insects from entering up through the floor drain grate. Can be used in either new or retro-fit applications where trap primers were never installed or failed.