Supportive and comfortable, Sigma-Flex® is the ideal mate for any mattress set. With six working torsion bars to ensure impact resistance, the Sigma spring features a limited deflection design so it won't crack under pressure. The most versatile spring available, Sigma-Flex allows for multiple coil counts and slat count configurations and offers a 7" High Profile option. Sigma-Flex is compatible with the optimum spring action of L&P's True Flex modules.

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Sigma-Flex® Modular Box Spring System