... , GRP 3.AC220V 4.ExedmbIICT4/DIPA20TA,T6 Explosion proof fluorescent fitting Type BYSApplication1.Used in Zone 1,Zone2, Zone20.Zone21 ... 220V 4 Tube options:T8 Bi-pin fluorescent tube(1*36W,2* 36W) T5 Bi-pin fluorescent tube(1*28W,2*28W) 5 ... with good benefits in lighting transmittance, impact resistance.3 Fluorescent fixture designed in double sealing structure with strong water resistance ...