Airflow Direction Incorporated’s BALL-IN-THE WALL & BAULIN-TUBE® indicator shows if your room is under proper negative or positive pressure. The ball rolls in the direction of airflow and incorporates a built-in failsafe feature.
TLC is a national engineering firm specializing in healthcare solutions that benefit patients & staff. We collaborate with teams to engineer building systems that are flexible,sustainable,resilient & efficient. Incorporating lifesaving leading technology