高容量屋脊通風器:通(tong)(tong)研環保高容量屋脊通(tong)(tong)風(feng)器有(you)流(liu)(liu)線(xian)型(xing)的外形、線(xian)條流(liu)(liu)暢,抗風(feng)阻力小,流(liu)(liu)量系數高,通(tong)(tong)風(feng)排(pai)氣(qi)效果非常好。設有(you)風(feng)閥門(men)控制裝置(手動、電動近控制),排(pai)水通(tong)(tong)暢,無雨水滲漏隱患。