This ICON™ Pneumatic Cooling System Filler and Tester has 1.75 CFM pump for quick, easy testing, evacuation, and refills of automotive cooling systems. This kit is compatible with ICON™, MADDOX™, and other brand name cooling system adapters with a positive lock connection, sold separately. The premium carrying case converts into 2 storage trays designed to easily fit into most tool drawers to keep your work space organized and clutter-free.