The Karcher 3-in-1 wood cleaner has a powerful 3-in-1 formula which offers an exceptional cleaning performance thanks to its active dirt remover it has a UV protective formula and extensive care Active dirt remover for quick and efficient cleaning of dirt and stains from emissions This wood cleaning detergent offers an outstanding cleaning performance care and protection in one simple step This Karcher wood cleaning detergent is suitable for use on all treated and un-treated wooden surfaces outside including decking The Plug ’n’ Clean system is the easiest and quickest way to apply detergent using a Karcher pressure washer Size 1 Litre