VEVOR Scent Air Machine, 850ml Bluetooth Smart Essential Oil Diffuser, 5000sq.ft Waterless HVAC Scent Diffuser with Cold Air Technology, Aromatherapy Diffuser Machine for Home, Office, Hotel

Just connect the other end of the PU tube to the air outlet duct of the air conditioner, insert the tube into the hole in the duct, and then use glue or stickers (not included in the accessory package, please purchase them yourself) to fix the connection between the PU tube and the air conditioner.

Hello, HVAC pipes need to be cleaned regularly even if they are not connected to the machine, so you don’t need to worry about this problem. You can clean the pipes according to the normal cleaning schedule. You don’t need to worry about bacterial growth when using the machine normally.

Aroma diffusers can only be connected to HVAC systems. Installing one on a heater would cause it to explode.

Hello, the aromatherapy machine is used with aromatherapy essential oils.

This machine can be wall-mounted, connected to an air conditioner, or placed directly on the floor or table for use.