Non-metal ridge vents for roofs

Replacement Blades and Replacement Hubs for Air Circulating Fans

Water-based metallic coatings in the form of sprays and liquid gels used or applied to roof top duct work and mechanical systems for purposes of protecting, sealing, waterproofing and reducing the energy consumption of the system

climate control systems consisting of digital thermostats, air conditioning, heating, ventilation and drying control devices

surgical and medical instruments, namely, apparatus and instruments for ventricular drainage

Ventilation systems in residential buildings to facilitate air exchange

Woven fabrics; knitted fabrics

Threads and yarns

Scientific apparatus and instruments for measuring, recording, evaluating, controlling and researching electric currents, electrical voltages, wavelengths, vibrations, the composition of gas mixtures, gas fans, and gas pumps, and diagnosing pathogen presence, and structural fittings therefor, all of the foregoing not for medical purposes; non-medical, downloadable software for measuring, recording, evaluating, controlling and researching electric currents, electrical voltages, wavelengths, vi...

Holsters and utility carriers with belt clips for attachment to belts for carrying personal defense sprays, handcuffs, ammunition magazines, tactical flashlights, and parts therefor

Holsters

air duct, carpet and upholstery cleaning services