Feature:
Having no Clapboard,and with V-swung structure, it is featured by light weight,  low resistance, strong wind,and  large dust capacity.
The frame adopt Galvanized steel or stainless steel upon available, so it is very light and easy to install.
It adopts special ultra-thin, moisture-proof and and fire-resistant glass fiber, which can endure 80℃ high temperature, highest humidity will be 80%-100%.
Beauty figure, firm structure, high effective filtration rate, the filtration capability rate for 0.3μm speck is over 99.9%.