... Co.,Ltd.we produce inline fans(steel and plastic housing),cross flow fan ,outer rotor backward fan,outer rotor ... inline fan ,which model is BIO-300-2SSB.That is an example which voltage is 220v/50/60HZ.we have ... .Thanks. The showing picture is our new developed fan , now we can produce .it has big air volume compare ... with the BIO-300-2SS. NOW ,we don't set it into catalogue . so above ...