Fire dampers, namely, control devices used in air ducts to stop the spread of fire; Motorized fire dampers, namely, control devices used in air ducts to stop the spread of fire; Motorized smoke dampers, namely, control devices used in air ducts to stop the spread of smoke; Motorized fire and smoke dampers, namely, control devices used in air ducts to stop the spread of fire and smoke; Air filters for HVAC units; air filters for industrial purposes

Production in the nature of manufacturing services of others in the fields of products used in composite materials processing and kits and complex assemblies for composite materials processing

aerogel vacuum insulation panel

Indoor air sampler used to gather samples for later determination of air quality