The Kärcher Patio Surface Cleaner Attachment is a must-have accessory for your cold water pressure washer. Made from durable plastic, this yellow and black dial washer is designed specifically for cleaning patios and outdoor surfaces. The hard/soft dial allows for adjustable cleaning power, making it easy to tackle various outdoor cleaning tasks with ease. This patio cleaner attachment by Kärcher is a practical and efficient tool for keeping your garden and patio looking neat and tidy.