DynaSteam All-Natural Weed Killer &mdash; 1600W SuperHeated Steam Kills Weeds &gt;300 degrees F No Glyphosates - No Herbicides - Ideal for Organic Gardening! Pull Trigger to Release - Treated Weeds Die in 24-48 Hours TRS Technology -Delivers Steam Through the Spike Tips, Direct to the Root for Creating a Three-Way Weed Killing Zone Just Add Water - Nothing Else. As Easy to Use As a Laundry Iron!