DuraVent DirectVent Pro Wall Firestop Size:4"x6.625" which eliminates the need for

which eliminates the need for replacement

the Osburn 3500 is essential for any spacious home

Max BTU: Natural Gas 60

The SWEIS can also be wired by your local electrician to be controlled by a pool controller

Includes: Built-in 1/2" gas inlet on bottom of burner for easy installation

DuraVent DirectVent Pro Wall Firestop Size:4"x6.625" which eliminates the need forOverview DuraVent is the premier company in the venting industry. With a broad range of engineered venting products, DuraVent has earned its reputation as the industry leader by offering innovative, safe, and professional products for the HVAC and Hearth markets. DuraVent's direct vent is specified by nearly every major stove and fireplace manufacturer in the U. S. and Canada, with the largest choice of termination caps for direct vent available.