Armi Solar Panel Coating | Self-Cleaning 3years Durable Coating | Retrofit Maintenance Solution | Graphene Based Non-Flammable Formulation | 500 ML SPRAY PACK HYDROPHOBIC SELF CLEANING MINIMISES SCRATCH IMPROVES ENERGY EFFICIENCY COMES IN SPRAYABLE HDPE PACK your solar panels will stay clean and maintained, offering increased efficiency and power output with high-strength weather protection.