Finder 7f508230 series cabinet ventilation fans 230v ac finder 7f5082301020 a 114 x 114 x 57mm low noise ventilation fan for installation into an equipment cabinetthe low profile housing incorporates a replaceable filter for dusty environments the fan is supplied as an inlet filter blowing air into the cabinet but the motor can be easily reversed enabling it to be used as an extractor or exhaust fan finder 7f5082301020 cabinet ventilation fan 114 x 114 x 57mm