A substance that causes an allergic reaction, for example dust. 

A chamber used to obstruct the movement of a substance (for example, water). 

A frame that maintains the position of the foundation, headboard and footboard.

Separate blocks or cones placed under the bed to raise it higher off the floor.

A general term to describe all the sheets, pillows, comforters, etc. used on a bed. 

The relational positioning and balance of the spine, muscles and joints. 

A foundation that contains springs. 

Simmons’ most advanced pocket coil system, uses three metal rods instead of one to make each coil, for maximum support and durability. 

Any mattress, bed frame or foundation that measures 72" wide by 84" long. 

A fabric covering suspended above the bed, usually with posts.