You may return all unused items purchased at thePVsource.com within 14 days of the original delivery. We will pay the return shipping costs if the product is defective or the return is a result of our error. If the item is returned for any other reason you are responsible for the return shipping costs and will be charged a restocking fee of 30 percent. No returned merchandise will be accepted without a Return Material Authorization (RMA). We will credit you in the same manner as your original payment within 30 days of receiving the returned item.