The ultra duty foam is our most durable foam rated for ultra heavy duty use. This is a firm foam, so you get a great support. This foam is rated for 15 to 20 years of life based on everyday use by an average adult.
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Sizes:
Twin: 39" x 74"
Twin XL: 39" x 80"
3/4: 48" x 74"
Double: 54" x 74"
Queen: 60" x 80"
King: 76" x 80"