August Race RV Odour Kill Enzyme Interior Treatment 500mlODOUR KILL is a spray applied enzyme treatment to help eliminate bad odours from most surfaces including upholstery, carpets and head linings. It works deep into the surface and neutralises the source of bad odours leaving a pleasant smell. Not Classified As Harmful To Aquatic Life Easily Recyclable Re Useable Bottle And Trigger Spray PH Neutral Fresh works best in a warm environment so if using in the winter months try to warm the cabin with a heater