2HB3系1.3KW单相双段高压风机|2HB3系1.3KW單相雙段高壓風機|2HB 3 series 1.3KW Single phase double stage high pressure fan

2HB4系1.5KW单相双段高压风机|2HB4系1.5KW單相雙段高壓風機|2HB 4 series 1.5KW Single phase double stage high pressure fan