The MaxxMarka CoolMaxx3 Coolant Exchange Machine is able to exchange coolant/water directly from the radiator spout or reservoir tank rapidly. It can be used on cars, trucks, SUV’s, boats, and RV’s. According to the company, it exchanges coolant in less than five minutes. The CoolMaxx2 offers three clear tanks with 15 gallon capacities that can operate with or without shop air. It eliminates air pockets, doesn't require electricity or batteries, is environmentally safe, and has an additional tank to store various types of coolant. In addition, it offers an accessible 2" fill lid for fast refills and color-coded control valves for easy distinction and use. It comes with a standard one-year limited warranty. Made in the U.S.A.