Shower Floor Drain Backflow Preventer Waterless Trap Seal One Way Drain Valve Sewer Core -2.65-3 inch Blue-

STOP SMELLY DRAINS! CHOOSE HEALTHY BREATHING! Made of flexible, high quality silicone, Floor Drain Backflow Preventer Seal is a permanent and maintenance free, one-way valve that is easily retro-fitted into drains and floor wastes to stop sewer smells and unhealthy things. What you will get ? 1 * Silicone Drain Backflow Preventer 1 * Stainless steel mesh 1 * Stainless steel retainer ring 2 * Silicone ring (large one use as diameter enlarge ring, small one use for connecting pipe) 1 * Teflon tape Not all the parts be installed at same time, we offer more just for making your installing easy and convenient, in order to match different install situation. Installation guide: 1. Please measure precisely the internal diameter of the drain mouth, in case any inconvenience brought by unmatched size 2. Measure the depth of the tube 3. Install the floor drain one way valve 4. Because the stickiness and softness feature of silicone, make sure support apart the mouth of drain grate with your hands in the first installation for the smooth draining.