Q & A. If you are seeking specifications for a particular Beautyrest Harmony Lux Carbon mattress, please search for that mattress by name on GoodBed, or … Due to the mass production process, this item may have imperfections. Note: The product line specifications above were derived from the active Beautyrest Harmony Lux Carbon models listed on GoodBed. Shop Beautyrest Harmony Lux Carbon 12.5 Extra Firm Mattress Collection online at Macys.com. An innovative support system with unique coil design, paired with advanced comfort technologies combine to unlock your best sleep. Customers Also Viewed. Combined with its advanced pressure relieving foams, this design produce the support, comfort, and cooling that results in a cool and comfortable all-night sleep. Beautyrest Harmony Lux Carbon Series Extra Firm Cal King Mattress. Beautyrest Harmony Lux Carbon Series Extra Firm Twin Mattress (2) Rated 5.0 stars out of 5. Reviews. $1,699.00. Sale . The Beautyrest® Harmony Lux Carbon Extra Firm mattresses brings in a new and innovative coil design and support system along with uniquely engineered cooling technologies. Looking for a better night’s sleep? Look no further than the new Beautyrest® Harmony Lux mattress. Beautyrest Pressure smart firm has a wide range of mattresses which has become initially famous from its black line and its retailer partnerships. $1,199.00. Rated 5.0 stars out of 5. reg $1,598.00. The Harmony Lux Carbon Series Extra Firm mattress is the firmest model in the collection. $999.00. As a result, these details may not be comprehensive and may not apply to all Beautyrest Harmony Lux Carbon models. These may include fit and finish flaws. Delivery Option Estimated Ship Date Estimated Arrival Date Estimated Price Rated 5.0 stars out of 5. Beautyrest® has been the industry leader in innovative support since our inception in 1925, when our Pocketed Coil® offered individual support and motion separation to the masses for the first time. But the company has recently entered into the ‘Direct Buy Online’ field, and of course, the area is much more value plus for the buyers. Beautyrest’s new Harmony Lux collection brings the latest sleep innovations into perfect harmony with environmental responsibility. Beautyrest Black Harmony Lux Carbon Series Extra Firm Queen with Free Adjustable Base.