• Rust-proof brass body with silicone seal ensures fast drainage. 2.8" thick filter catches hair and debris to avoid clogging.Brass Construction
• Automatically opens when draining and closes tightly at rest, effectively blocking sewer odor and water backflow.Gravity One-Way Design
• Plug-and-play design, effortless installation without tools. Fits drain holes from 1.25" to 1.65".Tool-Free Easy Install
• Compatible with most standard floor drains, suitable for bathroom, shower, toilet, kitchen and balcony.Wide Application

What's in the box
1 X Brass Anti-backflow Floor Drain Valve