Karcher 9.558-116.0 Concentrated Exterior House Cleaner SoapPac for Pressure Washers - 12-Pack enables you to remove more grime and dirt faster and more thoroughly than before. The Karcher 9.558-116.0 is great for use on brick, vinyl and aluminum siding, garage doors, awnings, downspouts, window screens and more. Ideal for a variety of other surfaces around the home, the 9.558-116.0 is great for stone, concrete (driveways, sidewalks, etc.) and pool/spa surfaces. The Karcher 9.558-116.0 contains 12 SoapPacs and can make 3 gallons of full strength, ready-to-use pressure washer detergent. Features: * Hassle-free method of using detergent in electric pressure washers equipped with detergent tanks * SoapPacs help determine the proper detergent and water ratio to use * SoapPacs are small, light weight, spill proof and easy to store * Use of detergents increases cleaning power * 100 percent biodegradable. What"s In The Box: * Karcher 9.558-116.0 Concentrated Exterior House Cleaner SoapPac for Pressure Washers - 12-Pack