Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen

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🚿 Keep your drains fresh and flowing—because your home deserves the best!

The Yikuo 4 Pieces Drain Backflow Preventer is a modern, adjustable silicone valve designed to fit standard 1.5 to 2-inch pipes. It prevents odors from escaping while allowing smooth water drainage. Easy to install without modifying existing plumbing, its trim-to-fit silicone base ensures a perfect, customizable fit. Ideal for multiple floor drains including bathrooms, kitchens, and basements, this set includes four valves with enlarge and retainer rings for secure placement.