The Forever Cap LYM12R is a chimney damper that helps to prevent heat loss and downdrafts in your fireplace. It is easy to install and can be used with any type of fireplace. The damper is made of durable materials and is backed by a lifetime warranty.

Here are some of the benefits of using the Forever Cap LYM12R:

• Reduces heat loss by up to 20%.
• Prevents downdrafts that can make your fireplace smoky and inefficient.
• Keeps your chimney clean by preventing debris from entering.
• Extends the life of your fireplace by protecting it from the elements.
• Easy to install and use.
• Made of durable materials and backed by a lifetime warranty.