. . . . . "Kleen free is an alternative enzyme based cleaning product to Kleen Green. Both are based on the same base product, the main reported difference is that Kleen Free is said to be stronger while Kleen Free smells nicer. There have been some warnings about the use of Kleen products. Both Kleen Free and Kleen Green products are designed to break down oil, grease and organic matter. Care must be taken with its use, in particular this product must be kept out of the eyes."@en . "Kleen free"@en . "Kleen free is an alternative enzyme based cleaning product to Kleen Green. Both are based on the same base product, the main reported difference is that Kleen Free is said to be stronger while Kleen Free smells nicer. There have been some warnings about the use of Kleen products. Both Kleen Free and Kleen Green products are designed to break down oil, grease and organic matter. Care must be taken with its use, in particular this product must be kept out of the eyes."@en .