vortical blade air valve
Negotiable /Piece
Min.Order:1 Piece
Guangzhou Yizhong Aluminum Industry Co., Ltd.
Vortical blade air valve
model No. FK022
iron material
connect with diffuser neck
vortical blade
control the airflow
10 sizes: 100mm, 125mm, 150mm, 200mm, 230mm, 250mm, 300mm, 380mm, 450mm, 500mm DIA