Knock Out Drains, Toilets & Urinals Unblocker 500ml

Knockout drains, toilets & urinals special formulation is ready to use, and will break down the fats, grease and hair that commonly cause blockages or slow running wastes, leaving waste pipes clean and sanitised.

Drains, Toilet & Urinals (DTU) is a caustic/sodium hydroxide based product designed to clear blockages caused by organic substances.