To work correctly, the chain and the bar of the chainsaw must be lubricated: the chain oil avoids excessive friction which could cause wear and tear, breakages and also damage. Biodegradable viscous chain oil is a completely natural high-viscosity fluid. This product, which has been evaluated in accordance with the procedure CEC-L-33-A-93, is over 90% biodegradable; dispersed in the environment, under the effect of microorganisms and atmospheric agents, it transforms into non-toxic sub products until the final degradation into carbon dioxide and water. The bottle contains 5 litres of product.