Drain Backflow Protector - One-Way Valve - Universal Silicone Floor Drain
This drain backflow protector is a universal silicone one-way valve designed to prevent drain odor, bad air, and backflow from entering your home. It is suitable for standard 1 1/2 \" to 1 3/4 \" pipes in the bathroom, kitchen, toilet, or laundry room. The adjustable, leak-proof design is easy to install and helps keep the air in your space fresh.

Benefits
Key benefits of this drain protector:

Prevents backflow and odors: Automatic sealing mechanism blocks sewer gases, unpleasant odors, and backflowing water.
Universal fit: Suitable for standard 1 1/2” to 1 3/4” pipes, with two adjustable rings to fit both large and small pipe diameters.
Easy installation: Simply insert it directly into the drain pipe; if needed, the silicone base can be trimmed to facilitate faster drainage.
Durable and flexible material: Made of high-quality silicone that is stretchable, environmentally friendly, and resistant to deformation.
Features
Features of this floor drain insert:

One-way valve design allows water to drain easily while blocking backflow.
Suitable for toilet, bathroom, kitchen, basement, and washing machine drains.
Helps maintain fresh air in your room by eliminating unpleasant odors.
Set of 4 units (blue) for use in multiple locations in the home.
Package contents
You will receive:

4x Drain Backflow Protectors (Universal silicone one-way valves, blue)