The Brilliant Scents LX5000 HVAC (Heating, Ventilation, Air Conditioning System) scent delivery system is ideal for creating long-lasting ambient scent in your large-scale environment. Ideal for spaces up to 5,500 square feet of space and perfect for large homes, commercial areas – Supermarkets, Exhibition Hall, Shopping Centers, Retail Shops, Offices, Hotels, Nursing Homes, Bars, Restaurants. With its advanced diffusion technology, the LX5000 safely releases our all natural fragrance into your existing heating and air conditioning ventilation systems without sprays, aerosols or heated oils. Standard size aroma chamber holds 500ML of oil with a 2,000 ml oil chamber. Adjustable duration and intensity settings from 5 to 300 seconds making it easy for you to customize the scent output for any environment. The LX5000 scenting system has a built in fan to disperse the scent so a slight fan noise will be heard when the unit is in operation. High quality metal with black anti-corrosion finish.