Your local furniture specialist

King Koil

KING KOIL Grand Harmony Queen Mattress - Medium

Please enter your Suburb to view pricing

  • King Koil's patented Reflex Plus technology that responds to your unique body shape
  • Secondary active coils that target specific areas of the body
  • Each coil is individually encased in a fabric pocket to minimise motion transfer
  • Endorsed by the International Chiropractors Association
  • Anti-allergen specialty foams that help regulate body temperature
  • Performa Edge support to provide a larger sleeping surface and a stronger mattress edge
  • Proudly Australian Made
  • 10 Year Warranty
  • * Bed base sold separately
Explore The Range

Delivery Information

Door-2-Door Delivery

From our store to your door with online tracking.

Pick Up In Store

Collect for FREE from your nearest store.

Zero Contact Delivery

Delivered or collected, contact-free.

Returns Information

Here at Furniture Zone, we want you to be delighted with your purchase. If there is a problem with your order, we want to help you as quickly as possible.

If you purchased the product online, please contact our customer support team either by phoning 1300 423 882 or sending an email to
If you purchased in store, please return to the store you purchased the item from. Along with your product, please bring your invoice and some photo identification, so that we can sort out the problem as quickly as possible for you. If the product is too big to easily bring back into the store, please call the store you purchased the product from to discuss the issue.

Payment Options and Security

Paying Online

We offer pay later options such as Afterpay, Humm and Zip. Check out securely online using the following methods:


Paying in Store

Payment options may vary from store to store. Please click below for full payment information or contact your local store for more details on what payment options are available