Serta Perfect Sleeper Cobalt Calm Extra Firm King Mattress - Blue/Gray
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43E-Q17-500104181/60
About this item
The Serta Perfect Sleeper Cobalt Calm Extra Firm King Mattress is built to deliver lasting comfort, superior support, and a refreshing sleep experience. Its 3-zoned coil design provides targeted pressure relief and spinal alignment, while the Cool Twist® Gel Memory Foam contours to your body for personalized comfort. Engineered with an extra firm feel, it’s an excellent choice for back and stomach sleepers who need maximum support. With available upgrades for enhanced cooling, this mattress ensures you stay at the ideal sleep temperature all night. Designed for durability and performance, it’s the perfect blend of comfort and reliability.
Product Highlights
- 3-zoned coil design provides targeted support & relief
- Cool Twist Gel Memory Foam contours for comfort
- Extra firm feels perfect for back & stomach sleepers
- Optional upgrades add enhanced cooling & softness
- Built with durable materials for long-lasting use
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Warranty Product Details

3 & 5 Year Coverage
With the Protection Plan, your product is protected against mechanical and electrical failures from normal use. We will cover 100 % parts and labor, guaranteed. if we can't fix it, we'll replace it.
Benefits:
- Extended coverage beyond Manufacturer's Warranty
- Protection against Normal Wear & Tear
- Protection against damage from Power Surges & Brown Outs
- In - Home Service on Televisions 46” and above
- No - Lemon Policy
Exclusions:
- Lost or Stolen
- Negligence
- Misuse or Abuse
- Products used for Commercial Purpose
- Attempt to Repair by Unauthorized Party
- Missing Serial Number
- Consumable Parts
- Animal or Insect Infestation
- Acts of Nature
- Failure due to Rust, Dust & Corrosion
Coverage:
- Remote Control(Limit: 1)
- Screen Failure(Unbroken)
- Audio / Video Ports(HDMI, Optical, Etc)
- Integrated Speaker and Sound Circuit
- Internal Power Supply
- Main Board / Motherboard
- Internal WiFi Antenna
- Button Failure
- System Cooling Fans
Average Repair Costs(Without Protection)
(Without Protection)Repair costs based on National average.
Actual repair cost may vary.
- Screen Failure(Unbroken) - $1000
- Audio / Video Inputs - $300
- Internal WiFi - $200
- Cooling System - $160
- Mainboard - $350
- OEM Remote Control - $75
- Integrated Speakers - $225
- Internal Power System - $300
Let Us Know, We'll Beat It!


