Enzyme Wizard Drain & Odour Eliminator treats and maintains drains including kitchen and shower drains, as well as augmenting bacterial strains in septic tanks, beverage tanks, urinals and commodes. The enzymes in Drain Odour Eliminator & Maintainer break down organic matter and odours into their basic elements. Carbon, hydrogen and other elements readily integrate with the environment instead of polluting it. Enzyme Wizard Drain & Odour Eliminator can be used to treat blocked and stopped drains and is also suitable for drain maintenance. It will also completely eliminate odours. Enzyme cleaners are naturally occurring elements so they are Planet-Safe, as well as being plant based and wont affect natural bacteria in the sewer system. Available in 2 sizes, 1L twin pack and 5L.