Better for your Brakes and Clutch. 3 sizes : 250ml , 500ml and 1 litre . Automec Silicone Brake and Clutch Fluid performs better than glycol based fluids on three main counts : 1] It does not absorb moisture and so stops corrosion and associated problems like sticking calipers, etc. 2] Because it does not absorb moisture it has an indefinite life and does not require regular fluid changes. 3] It is non-toxic and virtually inert, meaning it is harmless to you, your car and your paintwork. Meets D.O.T. Safety Standards in the UK, US, and Europe. NOTE: Not suitable for replacing mineral oil fluids used in many Citroen and Rolls Royce vehicles.