Fangrui Product Details Features: 1. Automatically Remove Accumulated Water 2. Increase Power Generation To Improve The Service Life Of Solar Panels. 3. Easy To Install. Automatically Snap On The Solar Panel Frame. 4. Polymer Material, Anti-aging, High/low Temperature Resistance, Long-term Outdoor Use Notice: If The Solar Panel Already Has Sludge, It Must Be Cleaned Before Installing This Product. This Product Only Reduces The Generation Of New Sludge Belt. Description: Product Name: Solar Panel Mud Discharge Clip Specifications: 40mm Clasped The Water Clip To The Bottom Edge Of The Pv Panel, The Stagnant Water Flows Away, There Is No Fouling Again. 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 Photovoltai