AGE RESTRICTED PRODUCT 18+ ONLY. VALID ID (AT OUR DISCRETION) WILL BE REQUIRED UPON DELIVERY/COLLECTION
Knock Out Professional Toilet & Drain Unblocker (Sulfuric Acid 90-97% with inhibitor). For use only in toilets and outdoor drains. Specially designed to rapidly clear blockages in outside drains, pipes and toilets only. (Industrial strength for trade and professional use, wear protective clothing).
Not recommended for use with septic tanks.