White air sterilizer and HEPA filtration system with a digital display and control panel on top.
Two HVAC/air conditioning filters, one large with pink pleats and one smaller with white pleats, overlayed with bold black text reading 'HVAC/AIRCON FILTERS' on a white background.
Commercial kitchen with stainless steel appliances and ventilation hood, captioned 'Commercial Kitchen Filtration'.
A ventilation unit with large black circular ducts and metal casing, labeled 'VENTILATION'.