ALL SALES ARE FINAL.  NO RETURNS.  NO EXCHANGES. If your product is defective contact us within 3 calendar days from date of purchase.  Exchange Authorization (EA) number must be obtained from customer service or a sales representative for any and all exchanges. To obtain your EA number simply call us at toll free  877-317-2425. Fax: 855-709-3636, 10:00AM-6:00PM PST, Monday through Friday.