Drain Cleaner - Household Kitchen & Bathroom Sink Drain Pipe Rapid Unclogging Cleaner. It Can Quickly Dissolve All Types Of Blockages And Restore Smooth Drainage. The Usage Is Simple: Press Down The Bottle Cap, Turn It Counterclockwise To Open, Pour An Appropriate Amount Into The Pipe, Wait For An Hour, Then Flush The Pipe With Plenty Of Hot Water. It Has Wide Applications And Is Very Suitable For Clearing Various Drain Pipes And Sewers In The Home.