Foam Upgrade for GF Strong 4001

All the features of the Model 4001 with the added benefit of Visco Elastic Foam.

Hi resiliency foam base with 50% Sunmate soft or medium Visco Elastic memory foam on the top layer.

Improved pressure reduction properties.

Standard large flower knobs to tighten the four brackets securely.

Manufactured ¡®bridge and arms ready¡¯ for all available options.