DQ5000 HVAC Aroma Scent Diffuser Machine is suitable for large commercial space, like shopping mall, hotel lobby, office building, pavilion, etc. Touch-screen control, with lock&key to prevent tampering from others.
Scent diffusion machine RS4500 is for 1,500 cbm space, color-matching design with diffusion in front panel, easy to maintain.
HVAC scent machine VS160 covers 5,000 - 15,000 cbm space with dual-system and two large bottle capacity.