In this four-page brochure, the company explains the value of its Sandblaster® Force™, designed to solve the problem of negative air pressure "by making it irrelevant." With its two-pipe, power direct-vent design, the Force draws all the fresh makeup air it needs from outside the building, says the company. The brochure explains the warning signs of negative air pressure and how to combat it with its product.

- State Industries, Inc.

Ashland City, TN