M3 - Independent Suspension Units 3.0 - Soft

The M3 Mattress Coil System is designed so you can easily update the firmness level on your M3 mattress. Each system includes enough coils to update one side of the mattress. As your comfort preference changes over time, you no longer need to buy a whole new mattress with the M3 mattress system.
M3 - King Independent Suspension Units - Soft
31.0in L, 72.0in W, 7.0in H, and 27.0 lb
M3 - California King Independent Suspension Units - Soft
31.0in L, 72.0in W, 7.0in H, and 27.0 lb
Split California King Modular Independent Suspension Units - Soft
28.0in L, 76.0in W, 7.0in H, and 27.0 lb