Dr Magic Double Action Foamer is a powerful drain unblocker designed to rapidly clear stubborn blockages in sinks and other drains. This effective solution works by filling the pipework to tackle build-up inside. To use, simply pour the foamer down the plughole and allow it to work for 60 minutes. Afterwards, flush with hot water for clean, free-flowing pipes. Ideal for quick and easy unclogging in your kitchen and bathroom. Regular use helps prevent blockages from returning.