Knox - Firm | Perfect Sleeper X
The Knox Firm is a 13.5-inch mattress with a 5 ZoneActive™ design, combining supportive coils and memory foam for full-body alignment and comfort.
- The mattress has a 10-year warranty.
Specifications
- Size
- Twinxl, Full, Queen, King, Cal King
Variants (5)
- Twinxl — 1099.00 USD — In stock
- Full — 1249.00 USD — In stock
- Queen — 1399.00 USD — In stock
- King — 2099.00 USD — In stock
- Cal King — 2099.00 USD — In stock
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