The Lisle Spill-Free Funnel, No. 24970, is a clear funnel that allows a visual check of the coolant from across the shop. The funnel comes with a lid to keep out contaminants and store caps and adapters. The funnel controls the proper amount of coolant entering the system and enables unattended filling. It includes a new cap for VW, Audi and Porsche overflow tanks with threaded caps and colored adapters for quick identification.