... Air diffuser (air grille, air louver) airflow and direction changed by manual air louver S-801Description: air louver,air outlet,air register,air conditioning diffuser,air grille, air ... effect; could be shut down freely, adjusting the air flowWith angle controlling knob, controlling the user's ... (Up Down Left Right)ABS Air diffuser (air grille, air louver)airflow and direction changed by manual ...