Unique Neck Better rEach = better cleaning A unique formula which cleans and repels tough stains and protects against soil build up. Duck Extra Power Toilet Shield will help give our toilet bowl a deep thorough clean, keeping it cleaner for longer. - Kills 99.9% of germs. - Cleans and removes tough stains. - Creates invisible protective barrier against stains and soil build-up. - REaches hidden germs and grime under the rim. - Blue colour water with fresh uplifting Duck mint fragrance. - Suitable for Septic Tanks.