Universal Backflow Floor Drain Valve

Shower Drain Backflow Preventer – Anti-Odor Sewer Core Insert for 1.5–2.9in Floor Drains

Upgrade your home's drainage system with this Backflow Floor Drain Valve, engineered to prevent unpleasant sewer odors, backflow, and clogs. Made with durable TPR soft rubber, the valve features a cut-to-fit sealing ring to accommodate various drain sizes from 1.5" to 2.9". It includes a built-in anti-clog grid net to trap debris and a one-way valve design that allows water to flow out but blocks gases and pests from entering. This versatile insert is perfect for floor drains in bathrooms, kitchens, basements, and laundry rooms. Easy installation with waterproof adhesive—no tools required!

---

Specifications:

• Material: TPR (Thermoplastic Rubber) + ABS

• Drain Hole Compatibility: 1.5" to 2.9" (35mm to 75mm)

• Installation: Manual cut-to-size sealing ring, no tools needed

• Function: Backflow prevention, odor blocking, anti-clogging

• Included Items:
  • One-way floor drain valve core
  • Cuttable sealing rubber ring
  • Anti-clog grid protection net
  • Waterproof adhesive (optional)

• Applications: Shower drains, kitchen sinks, laundry floor drains, basements

• Color: Blue and Yellow