Oatey 303135 Clog-Buster 3-Inch Drain Flusher Unclogs drain pipes in seconds Simply remove aerator from spigot of faucet and attach faucet adapter Attaches to standard 3/4"" garden hose fitting Insert clog buster as far as possible into drain and slowly turn on the cold water-clog should dislodge almost immediately Eliminates need for using chemicals Simply remove aerator from spigot of faucet and attach faucet adapter Attaches to standard 3/4" garden hose fitting Unclogs drain pipes in seconds Eliminates need for using chemicals