Knockout Biological Toilet & Drain Unblocker - 1L

16.8 GBP

Knockout Biological Toilet & Drain Unblocker - 1L - An eco-friendly enzyme based biological formulation to clear slow moving waste pipes in the bathroom and kitchen used regularly as a maintenance product. Contains natural bacteria (1.6 billion per ml), which act to break down fats, proteins and carbohydrates. Safe to use on septic tanks.

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