LIQUI MOLY 1L Motorbike Air Filter CleanerPlace filter in a suitable vessel. Mix cleaner with water. Depending on the degree of contamination, the dosage must be between 1: 5 and 1: 10 (1 part cleaner to 5 to 10 parts water). Plunge the filter entirely into the cleaning solution and allow to work for 5 10 minutes. Then carefully knead the filter in the solution until it is completely clean both inside and outside. Do not under any circumstances wring the filter out, as this could cause