Standard extended drainage pan for protecting the ceiling better.
Return air plenum and filter are standard. Fresh air supply makes life healthier (Optional for A4 type).
Flexible control, wireless remote controller and wired controller are optional.
Wide external static pressure supplying.
Left or right hand pipe connection, field convertible.
Easy to clean and change the air filter.
Electric heater are customized.
Anti-cold Air Function
Auxiliary Electric Heater