Duck Active Clean Toilet Rimblock Marine 37gA toilet bowl cleaner that releases a fragrant foam with every flush, Extend the clean with 4x more foam versus Duck 5 in 1, Just attach the toilet cleaner to your toilet rim for long lasting freshness, Helps to keep your toilet clean and fresh for up to 3 weeks, Powerful freshness is just a flush away with this toilet cleaner and descaler Ingredients contains: < 5% amphoteric surfactants, > 30% anionic surfactants; also contains: perfume, linalool,