2nd quarter promotion is buy 4, get 1 free on valid products. Purchase must be made from an authorized DEFEND dealer between 4/1/17-6/30/17. Purchase must be made on ONE (1) invoice. To receive your free goods, mail or fax your invoice noting promotional code(s) and free product(s) desired to: MAIL: Mydent International Attn: Quarter Offers, 80 Suffolk Court, Hauppauge, NY 11788, or FAX: Mydent International Attn: 2nd Quarter Offers 631-434-7750. Invoices must be received no later than 6/30/17 to claim free goods. Limit 5 redemptions per doctor. Incomplete submissions will not be processed. These offers may not be combined with any other Mydent International offers or contract agreements. Free goods fulfilled through Mydent International. Allow 2-3 weeks for delivery.