Cal King modular coil suspension unit lets you update the firmness on one side of the M3 mattress. Refresh feel without replacing the whole mattress; Firm.
Cal King modular coil suspension unit lets you update the firmness on one side of the M3 mattress. Refresh feel without replacing the whole mattress; Medium Firm.
Cal King modular coil suspension unit lets you update the firmness on one side of the M3 mattress. Refresh feel without replacing the whole mattress; Medium Soft.
Cal King modular coil suspension unit lets you update the firmness on one side of the M3 mattress. Refresh feel without replacing the whole mattress; Soft.
Independent suspension units for the M3 mattress let you update the firmness on one side. Split California King, 0.0 Firm; includes enough coils for a single side.
Independent suspension units for the M3 mattress let you update the firmness on one side. Split California King, 2.0 Medium Soft; includes enough coils for a single side.