Instruction:

DQ-5000A Hot selling industrial scent diffuser Scent machine is applicable for 5000 Cubic meters area. It uses metal shell and including 750ml plastic bottle. This model can be set 4 groups working period for everyday and also have 7 days timer program. 

It use long lifespan pump and can work more then 8000hours even longer. Built-in long-life compressed air pump, .Connect the HVAC or AC system, install conveniently.