Submarine Floor Drain Odor Proof Core Drain Guard Sewer One Way Drain Valve Sewer Core Backflow Preventer Backwater Valve Insect Proof Drainage And Backflow Automatic Closing to Prevent Odor from Permeating into Bathroom Shower

Features:
Automatically open when draining,ensuring the smooth draining, automatically close after drain,seal stinky smell and odor from sewage gas
Effectively prevent the drain water from backing up to the room,anti- water leakage and overflow
Our floor drain core is made of high quality stainless steel and ABS material, which is stable and durable
Easy to install and disassemble
Wide application: unhealthy things may enter room from smelly drain, so it is necessary to install drain seals in bathroom, kitchen, toilet, shower roomand etc