EXPLANATION NOTE: The Shipping Charges reflect the ESTIMATED Carrier Service Level fees for a maximum shipment of 150lbs and less than 50 separate boxed items per shipment. For heavy, odd dimension, manufacturer direct carrier selection or any other shipment circumstance the shipping charges shown may reflect only a portion of the actual freight charges. The shipping charges are only ESTIMATED. You will receive a separate billing for any additional freight charges based on the the Service Level utilized unless you otherwise specify the Service Level in an email to salesall@crm.data-comm.com. You must process all follow-up invoices for shipping charges before your order will be delivered. In the event of a failed delivery or shipment refusal you are responsible for the freight shipment charges both out and back!