Quickly breaks through slow and blocked drains, eliminates bad odours and destroys harmful bacteria. It is an effective and safe alternative to harsh caustic and acidic cleaners. Tri-Bio Drain Opener is absolutely safe to use as it contains no toxic substances or harsh solvents. It is nonpathogenic and pH neutral. Awarded with ECO Certificate. Recommended for use in houses with an onsite sewage system. Size: 420ml + Quickly breaks through slow and blocked drains. + Eliminates bad odors. + Destroys harmful bacteria. + Ideal and safe for all types of pipes. + Absolutely safe to use without gloves.