Built-in Heater System Upper and lower vents Ties in to vehicle coolant system 3-speed blower **This product includes a flat rate shipping price (as these ship frieght). During checkout, the shipping price will be added to the product price.  If you are to add other products to your cart, it will give you different shipping options for just the additional products. If you choose overnight for any additional product it will ONLY be for that product.**