Knockout Biological Drain Treatment 1 litre
- Vendor
- Barrettine
- Regular price
- £0.00
- Sale price
- £0.00
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Blocked pipes can be pricey and time consuming to fix, so avoid it from the start with Knock out Biological drain treatment. It works to maintain, protect and clean waste pipes around the home. This formula is ideal because it doesn't contain harmful or corrosive additives and it is also safe to use on septic tanks.