One Chem - Heavy Duty Sink Unblocker - Drain Unblocker - Kitchen Sink, Bathroom Sink and Shower Drain Unblocker One Chem Heavy Duty Outdoor Drain Unblocker is a specially formulated one shot liquid which clears grease, fat and food deposits in drains, gulleys and waste outlet pipes. This liquid also maintains drains to reduce build-ups and blockages. Removes tough stains, fights odours and dirt, freshens pipes.

Freshens Pipes and Removes Odours. For Use In All Drains, Gulleys And Waste Outlet Pipes. Removes Tough Stains, Grease, Dirt, Fat and Food Deposits. For Indoor & Outdoor Use. Powerful Heavy Duty One Shot Formula.