Features:[SPILL FREE FUNNEL]: Our coolant filler kit funnels automotive fluids, such as radiator coolant and oil, cleanly into any vehicle; the long burp funnel prevents spills and trapped air during refills after a coolant flush[ULTIMATE MULTI-VEHICLE FUNNEL KIT]: 4 cap adapters, 5 filler neck adapters, 3 extensions, a stopper, and a high quality transparent coolant funnel form a funnel kit more complete than others[NEAR UNIVERSAL FITMENT]: This spillfree funnel is ideal for an engine flush, a coolant pressure tester kit, even for a radiator flush; Coolant refill kit features near-universal fitment for American and foreign vehicles[ADAPTERS INCLUDED]: With the exceptional number of included adapters, OEM TOOLS delivers a spill free funnel kit that works better than just any old radiator fill funnel or coolant filling kit with a coolant funnel adapter[PROTECT YOUR VEHICLE]: Funnel automotive fluids, or combine with antifreeze tester kit to ensure your system stays clean and functional; Spill proof funnel kit includes a fluid stopper, which means no spills or air bubblesWarning: Do not open cap if radiator is hot! Hot fluid can erupt and cause burns.Package Includes:1 x Coolant Funnel4Pcs x Cap Adapters5Pcs x Filler Neck Adapters3Pcs x Extenders1 x Stopper1 x Funnel CapInstruction:1. First install the correct sized adapter into the correct cap. Place the gasket in a downward position. Tighten the cap with adaptor to make sure it doesn't leak.2. If 45° elbow or extension needed, place the funnel after elbow or extension is placed well into the adapter opening.3. Fill funnel slowly and carefully with coolant about 1/3 full.4. When run the engine with funnel attached, fluid level should be at low position. Keep RPM on idle position. (Shut down the engine if notice the fluid level rise excessively. Wait for fluid level go lower before restarting the engine.)5. Use Fluid Stopper for remaining fluid inside the funnel to flow to the radiator hose by squeeze it and release.6. After finish, remove the funnel (and or extension/elbow) & adapter, close the radiator with cap tightly.Polyvinyl Chloride