Neutral shampoo for automatic tunnel washing. It balances the different water hardness to achieve a very effective cleaning. Calibrated foam level. Made with anionic and non-ionic surfactants biodegradable over 90%. Solvent free. Does not contain nonylphenolethoxylates, which form compounds suspected of toxicity during biodegradation. Compatible with Arexons washing waxes. Does not contain phosphates. Neutral pH. Adjust the dosage so that the consumption is 23-30 g of product per car.