"Duck® Deep Action Gel Marine sanitises your toilet, killing 99.99% of bacteria. Removes soils and limescale/mineral deposits leaving your toilet clean with a fresh, long-lasting fragrance.  It's uniquely shaped neck allows you better reach vs other toilet bowl cleaners*.*Based on lab testing on open rim toilets for cleaning under the rim.- The Deep Action Gel disinfectant kills 99.99% of bacteria. - Passes EN1276, EN13697 and EN14476. - Sanitises toilets and removes soils and limescale/mineral deposits, leaving your toilet clean and with a fresh, long-lasting fragrance.- It's uniquely shaped neck allows you better reach vs other toilet bowl cleaners*, evenly coating the toilet bowl for 360° coverage. *Based on lab testing on open rim toilets for cleaning under the rim."