$7.99 shipping is valid for supply orders only. $7.99 shipping valid only within the U.S. and only to the contiguous 48 states when economy shipping is selected. Select items may be excluded from shipping offers such as current promotions, sale items, kits, packages, equipment or where restricted by manufacturer policy. Please note if the order is weighted over 150 lbs, we will be required to ship the order via LTL, and therefore it is the customer’s responsibility to pay for the freight cost. Offer may not be applied to previous orders or used in conjunction with any other offer.