GENERAL WIRE SPRING Flood Guard 4 in. for 4 in. Floor Drains

Flood-Guard operates like a check valve to seal off water back- up caused by overloaded sewers. Water flows normally through the drain until the sewer begins to back up. Then the Flood- Guard float rises to seal off the drain opening until the water recedes.|For 4" floor drains|Screwdriver and a couple of minutes are all you need to install a flood-guard|Once in place, it can prevent property damage and a very messy clean-up job|Gaskets are made of molded rubber, and all metal parts are plated or stainless steel|Operates like a check valve to seal-off water back-up caused by overloaded sewers; installs in minutes|Standpipe models available in 3 and 4 sizes