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Grenquist Firm

Grenquist Firm
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Overview

The Serta Perfect Sleeper is the Only Official Mattress of the National Sleep Foundation (NSF), designed with input from the NSF to help address 5 common sleep problems. Plus, every new Serta Perfect Sleeper mattress comes with the National Sleep Foundation's exclusive Guide to Sleeping Well. This informative booklet provides tips, suggestions and resources to help you get the most from your new Perfect Sleeper mattress each and every night. The Grenquist Firm model features the 520 Continuous Support® Innerspring support system, which combines our continuous coil design with our Head-to-Toe Coil Construction to promote proper back support and undisturbed sleep. Rows of continuous coils run head-to-toe, with each coil attaching to its neighbor, for the durability and stability needed to provide support while absorbing motion. It also features Serta’s Pillo-Fill®, a breathable material is designed to enhance both airflow and moisture wicking at the sleep surface, helping to promote a balanced sleeping temperature. This mattress model also features Serta’s Comfort Last® Construction, which helps prevent roll-off or sag, regardless of body type, size or sleeping position. Plus, our Reinforced Edge® system uses a durable steel border rod to strengthen the mattress edges, giving you more room to stretch. The traditional Firm model offers classic tailoring with fewer plush comfort layers at the sleep surface than our other models, so you will feel the support system more prominently when you lie down.

Features

Warranty

This Perfect Sleeper mattress comes with a 10-year limited warranty.

Comfort Assurance

We know that even after making a careful selection, sometimes people may need a different level of comfort. That’s why your Perfect Sleeper mattress purchase is backed by our 45-Day Comfort Assurance Program.


Specifications

Approx. Mattress Height

10"

Support System

  • 520 Continuous Support® Innerspring

Top Upholstery

  • Serta® Support Pad

Quilt

  • FireBlocker® Fiber
  • Pillo-Fill®
  • 1" Serta® PillowSoft Foam


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