Internal Backwater Valve, 4-F 4" Float Model Flood-Guard for 4-inch Flood Drains, Drain Backflow Preventer for Sewer Flood Protection

This Flood-Guard is a 4-inch float model designed to prevent water backup in sewers. It uses a float to seal the drain when necessary and is made of solid brass and rubber.

• The main parts are made of solid brass which is durable and corrosion resistant.
• The gaskets are made of molded rubber which is soft and durable.
• A screwdriver and a couple of minutes are all you need to install a Flood-Guard.
• It can prevent property damage and messy clean-up.