Unique design: different from other ordinary funnels, our high-end coolant funnels have a special rotary switch, which can be closed by turning it gently to effectively prevent overflow or bubbles.
HORUSDY No-Spill Coolant Funnel Kit with Valve Switch, Radiator Bleeder Funnel
Coolant Refilling Funnel Engine Coolant Filling Kit Spill Proof For Car
Sealey Automotive Coolant Filling Set Non-Spill Funnel With Switch 15pc VS0045
Spill Proof Radiator Coolant Filling Funnel Kit 19-pcs Cooling System fill kit
19-pcs Cooling System fill kit Spill Proof Radiator Coolant Filling Funnel Kit
SPILL FREE FUNNEL NO SPILLS ACCESSORY KIT COOLING FLUID RADIATOR COOLANT SYSTEM
