Valid from September 1, 2018 through September 30, 2018. *vets* Buy 4 boxes, Get 1 free! *Mix and match *To receive your promotional goods, send an email to IntegraPromos@integralife.com. Include your complete shipping/contact information, product/quantity desired, along with your copy of your qualifying invoices. Include promo code PVbladeS18 in the subject line. *Please allow 4-6 weeks for goods to be delivered.