Features: 1Rotary Switch: The coolant funnel has a special rotary switch, which can be closed by turning it gently to effectively prevent overflow or bubbles. 2Main Purpose: The coolant fill kit allows fluids such as radiator coolant and oil to be delivered to any vehicle, universal for automobiles. 3Professional Design: The long burp funnel prevents spills and trapped air during refills after a coolant flush. The thread reinforcement design can ensure that the liquid does not leak. 4Suitable for Hard to Reach Place: The longer extension rod is designed for hard to reach areas, and can be placed on the radiator cap at any angle in combination. 5Wide Application: The spill free funnel kit is very suitable for engine flushing, coolant pressure tester kit, and even radiator flushing. Item Type: Coolant Fill Kit Material: ABS+ rubber Application: Universal Package Included: 1 x Coolant Fill Kit (15pcs)