Fangrui Product Details When It , Due To The Slight Projection Of The Edge Of The Panels, The Stagnant Water Is Not Drained Away In Time, And The Mud In The Stagnant Water Precipitates To Soiling The Edges Or The Corners Of The Modules. The Accumulation Of Dirt In The Panels Edge Or In The Corners, Can Have Dramatic Consequences On The Proper Functioning Of The Photovoltaic System, It Reduces Photovoltaic Panel Power Generation, And Form Hot Spots Effect, Reducing The Service Life Of Panels. The Pv Panels Water Drained Away Clip Is A Self-fastening Clip, Made Of Plastic. Types: 35 Mm, Clasped The Water Clip To The Bottom Edge Of The Pv Panel,the Stagnant Water Flows Away, There Is No Fouling Again. How To Install:first, Make The Whole Surfaces Of The Pv Panels Clean, And Clasped The Water Clip To The Bottom Edge Of The Panels , And Dont Tilt It, So It Is Ok, If It Again, There Be No Mud Zone. In Order To Prevent Stepping On The Panel Glass, You Can Use The Photovoltaic Panel Protection Mat. Notice:if The Solar Panel Already Has