• Easily used to properly refill automotive cooling systems without the chance of spilling
• Eliminates trapped air pockets which causes erratic cooling system and heater performance
• Better control when adding coolant preventing overflow onto belts and other engine components
• Includes threaded cap adapters for newer GM and Ford threaded style radiator openings
• Contents: 5-inch straight extension, two 2 1/4-inch 45 degree elbows, 5 cap adapters, 4 caps, stopper, funnel, and lid
• Use the 45 degree elbows to access caps under shrouds or at an angle