Polyether foam, also known as Ether, is a flexible, open-cell type of polyurethane foam that has a near-infinite amount of applications due to the following characteristics: 1  Compressibility.olyether foam, also known as Ether, is a flexible, open-cell type of polyurethane foam that has a near-infinite amount of applications due to the following characteristics: 1  Compressibility.
The smoke comes from flavor woods in the form of chips, chunks, pellets or dust. Each of these forms of wood used for smoking is suited for a range or a particular type of smoking appliance. It all depends, you can put it in a dedicated smoker box, pan, hot plate or over burning coals.
Packages of chips to use in the smoker box are available in a variety of woods (oak, hickory, etc.) for about $5-$15 each. A video demonstrates the use of a smoker box. A basic backyard smoker (not simply an addition to a grill) can cost $40-$400.