copyright sells an item I feel known as 'florida glass' it is a transparent vinyl with screen material imbedded, and it is actually waterproof. I installed several panels in a region exactly where we were being frequently finding rain and irrigation water, and this solved the problem. Tiny hydro systems https://solar-panels-for-home15814.blog4youth.com/35811320/indicators-on-electric-sedans-you-should-know