* Mailing List coupon code applies only to the items listed below and is only valid until Dec 17th. The coupon code is only valid on non-sale items in the “PPE” Categories listed below. The coupon code cannot be combined with any other future sales, offers, promotions, or other coupon codes. Only one coupon code can be used per purchase. pH Dental reserves the right to amend or cancel the sale or coupon code at any time