... T8 T5 Recessed fluorescent lighting fixtures IP541,Material: High quality Steel+PC lampholder2,Light source: T8/T5Fluorescent tube/LED ... above 8 years.3.Protecting shade:PMMA transparent sheet,light ratio of 90%,antistatic,wide illuminance,and easy ... efficiency,energy saving and long service life.voltage110V-240V light sourceT8,T5,LED tubeapplicationElectronic device plant,phamaceutical plant, ...