Blue 300 Firm
Blue 300 Firm
The Blue 300 Firm model is an extra-firm mattress with a layer of Serta’s Deep Reaction Memory foam for a comfortable feel. Layers of Serta’s TempActiv™ Gel Memory Foam and EverCool® Fuze™ Memory Foam provide enhanced cooling comfort for every curve of your body.More
New and Improved
iComfort, a staple of the memory foam category, has been enhanced for better performance
Serta added cooling technologies to their products for cooling and conforming qualities
Serta's Most Advanced Sleep System
Designed from the inside out, the 2017 collection is the best ever
The Serta Tradition
For more than 80 years, Serta has been manufacturing mattresses to the highest quality and safety standards. Today, Serta is the #1 mattress manufacturer in America, as they continue to design beds that give their customers deep, restorative, and healthy sleep.
Floor model purchased as is, no warranty.
All Serta Polyurethane Foams adhere to the highest standards for product quality and safety. All Serta foams have been certified by CurtiPUR-US. This means the beds are free of formaldehyde, flame-retardants, prohibited phthalates and heavy metals and also meet low-VOC standards for indoor air quality. Learn more about the eco-friendly certification process Serta foams go through.
Additional Comfort Types
|Body Impression for Replacement||N/A|
|Dimensions||King- W: 76 L: 80
Cal King- W: 72 L: 84
Queen- W: 60 L: 80
Full- W: 53 L: 75
Twin XL- W: 38 L: 80
Split King- W: 76 L: 80
Split Cal King- W: 72 L: 84
|Manufacturing Location||Moreno Valley, CA|
For the ultimate sleep system, pair your mattress with an adjustable base, frame, or mattress protector.
Sleep With Confidence
100 Night Comfort Guarantee
To ensure your comfort we offer a 100 night sleep guarantee. Sleep up to 100, but no less than 30 nights. If you feel the bed does not fit your comfort needs, you may select a mattress of equal or greater value with zero fees. You simply pay for the redelivery of the new mattress.Full Details
If you live within Los Angeles County we offer free same day delivery for purchases +$499.99 (if the order is placed before 2 PM and the merchandise is in stock). For all other SoCal zip codes we offer free next day delivery on purchases +$499.99. If you live outside of our delivery bounds the delivery window is between 6-10 days.Full Details