Unique Bargains 4pcs Odor Proof Floor Drain Anti-Sewer Backflow One-Way Preventer (Blue 1.3-Inch to 1.8-Inch)

Material - These odor-floor plugs are made of non-slip silicone rings and PMMA drainage collectors, offering durability, rust resistance, and a design that catches hair while maintaining good water flow.

Feature - The backflow preventer allows smooth drainage with a bottom gasket that opens for water flow and automatically closes when water stops, preventing backflow and eliminating odors.

Cleaning - Easy to clean with a weighted collector and silicone ring that holds hair in place; simply remove via the internal hook and wipe with a tissue.

Installation - Installation is simple—just insert the drain core into the sewer in seconds with no complicated steps required.

Application - Widely applicable in toilets, bathrooms, kitchens, and more, suitable for drains with an inner diameter of 1.3-1.8 inches (33mm-45mm).