1001 3 in 1 Machine is specifically designed for use in specialist machines such as Vax and Rug Doctor for large area carpet cleaning.3 in 1 Machine works by gently lifting dirt and stains by it?s magic active cleaning agents. These agents, which are a blend of mild detergents and detergency enhancing ingredients soften the water and break and disperse ground-in dirt and what?s more the added defoaming agent minimises foaming in your machine. The active Polymer ingredient contained within the product will help your carpet resist future stains and soiling. The product contains no bleaching agents or aggressive solvents and is completely safe to use on all types of carpets including wool. And what?s more it?s Woolsafe Approved.500ml