Following are the top-rated foam cannons 1. McKillans Foam Cannon: It is the best professional-grade adjustable lance pressure washer with jet wash and a ¼” quick connector. 2. TriNova Foam Cannon: It is the best high-pressure foam cannon and gallon car wash soap kit. 3. Chemical Guys ACC 326 Torq Foam Blaster: It is the best Foam cannon that doesn’t require a pressure washer.