To inhale and exhale in indoor and outdoor
To suck in dust
To transpire poisonous gases
For ducting spot airconditioner
For ventilation of air
For dust impinge
For dlivery of powder, dust
For electicity canalization line
Exhaust for inhaled air
Exhaust for welding gas
Exhaust for toxic gas
construction field for dust exhausion
To inhale and exhale indoor and outdoor air
To suck in dust
Heat exchanger duct for home
For equipment needed keeping Temperature
For indoor duct use
Equpment needed sound-proof
For air conditioning and bentilation technique
Suction and blast hose
Suction and blast hose
For clean room
For air conditioning and ventilation technique