Does a King-Size Mattress Need Center Support?

Does a king-size mattress I bought at Gallery Furniture that needs support underneath the center? 

Absolutely, positively, proper support underneath the king-size mattress is extremely important. Before putting a new mattress on your old bed frame, make sure that the frame meets the manufacturer's requirements. You got to have a big, supportive center part. 

Don't guess. Bring the information about your bed. Let Mack's Mega Mattress Superstore help you make sure your mattress is properly supported with a great bed frame or slats and the proper material. Your mattress has to be supported, especially in the middle. 

Buy a new mattress at Gallery Furniture. Gallery Furniture delivers FREE to your Houston home tonight. Mattress Mack's Mega Superstore will answer all your questions. You got to have support in the middle, so you'll support your back and spine all night long for thousands of nights to come.