what is a critter guard?Post author:freedomtask2Post published:January 13, 2020Post category:FAQIt is a screen protector installed around the solar array to keep squirrels and other rodents from damaging the system. You Might Also Like How long do solar panels last? January 15, 2020 Can solar power charge an electric car? January 15, 2020 Why isn’t solar more widely used? January 15, 2020