We tested some of the best-known (and a few lesser-known) foam cannons to see how they stack up. These tools aren't just fun to use—they transform car washing into a more effective experience.

The bottom of the fluid conduit added a filter head to avoid foam clogging unable to spray foam. 【Adjustable Snow Foam Gun】: Pressure washer gun foam gun has 1/4 inch quick connect and M22 ...