Action Cleaner is recommended as the #1 choice by Grand Prix teams around the world. Action Cleaner is a special water-soluble degreaser developed for use on all modern foam type air filters. Action Cleaner’s unique formulation ensures thorough cleaning of all foam air filters and, unlike petrol or other solvents, will not attack the glues used by manufacturers in the construction of the filter itself. Leading to prolonged life for filter and engine. THIS ITEM CANNOT BE SHIPPED OVERSEAS.