Rustins Advanced Wood Protector is a low odour, non-flammable product based on micro-emulsion nanotechnology. The ultra-fine particle size allows deep penetration of the preserver to take place so the performance of the product is much greater than standard wood preservation products. It is quick drying and can be applied to wet or dry timbers. Available in Medium Brown, Dark Brown, Green and Black. Size: 5 Litres. Also available in Wood Preserver Clear in 1 litre and 5 litre