T DELTA "T" SYSTEMS

Ventilation systems primarily comprised of ventilating fans for marine use; ventilation system components and parts, namely, electric fans, dehumidifiers, power operated blowers, electrical controllers, air filters, and damper control devices used to regulate the flow of air, all sold as integral component parts of ventilation systems that are comprised primarily of ventilating fans for for marine use; ventilation system components, parts, and supplies, namely, air purification devices and dehumidifiers