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Modular Independent Suspension Unit – King or Split Head King / 1.0 – Medium Firm

Modular coil suspension units let you adjust the firmness on one side of your M3 mattress, updating comfort without replacing the whole mattress.

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Modular Independent Suspension Unit – King or Split Head King / 2.0 – Medium Soft

Modular coil suspension units let you adjust the firmness on one side of your M3 mattress, updating comfort without replacing the whole mattress.

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Modular Independent Suspension Unit – King or Split Head King / 3.0 – Soft

Modular coil suspension units let you adjust the firmness on one side of your M3 mattress, updating comfort without replacing the whole mattress.

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Modular Independent Suspension Unit – Cal. King or Split Head Cal. King / 0.0 – 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; Firm.

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Modular Independent Suspension Unit – Cal. King or Split Head Cal. King / 1.0 – 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 Firm.

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Modular Independent Suspension Unit – Cal. King or Split Head Cal. King / 2.0 – 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; Medium Soft.

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Modular Independent Suspension Unit – Cal. King or Split Head Cal. King / 3.0 – 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.

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Modular Independent Suspension Unit – Split Cal. King / 0.0 – Firm

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.

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Modular Independent Suspension Unit – Split Cal. King / 2.0 – Medium Soft

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.

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Modular Independent Suspension Unit – Split Cal. King / 3.0 – Soft

Independent suspension units for the M3 mattress let you update the firmness on one side. Split California King, 3.0 Soft; includes enough coils for a single side.

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M3 Comfort Layer – Split King

Replaceable Split King comfort layer with three ventilated Boost foam layers for heat dissipation and airflow, plus a removable, washable cover.

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M3 Comfort Layer – Twin XL

Replaceable comfort layer engineered with three Boost layers and Air-X ventilation to disperse heat and improve airflow (Twin XL). Removable, washable cover with adaptive foam that helps isolate motion for uninterrupted sleep.

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